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23234345860 = 22511294917417
BaseRepresentation
bin10101101000110111…
…111111101110000100
32012222020112001200011
4111220313333232010
5340040443031420
614401304400004
71451524452445
oct255067775604
965866461604
1023234345860
119943200a30
124605176004
1322637b055b
1411a5a912cc
1590eba095a
hex568dffb84

23234345860 has 96 divisors (see below), whose sum is σ = 55182798720. Its totient is φ = 8139801600.

The previous prime is 23234345857. The next prime is 23234345867. The reversal of 23234345860 is 6854343232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23234345867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3128872 + ... + 3136288.

It is an arithmetic number, because the mean of its divisors is an integer number (574820820).

Almost surely, 223234345860 is an apocalyptic number.

23234345860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23234345860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27591399360).

23234345860 is an abundant number, since it is smaller than the sum of its proper divisors (31948452860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23234345860 is a wasteful number, since it uses less digits than its factorization.

23234345860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957 (or 7955 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 23234345860 in words is "twenty-three billion, two hundred thirty-four million, three hundred forty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 491 580 638 982 1276 1595 1964 2455 3190 4910 5401 6380 7417 9820 10802 14239 14834 21604 27005 28478 29668 37085 54010 56956 71195 74170 81587 108020 142390 148340 156629 163174 215093 284780 313258 326348 407935 430186 626516 783145 815870 860372 1075465 1566290 1631740 2150930 2366023 3132580 3641747 4301860 4732046 7283494 9464092 11830115 14566988 18208735 23660230 36417470 40059217 47320460 72834940 80118434 105610663 160236868 200296085 211221326 400592170 422442652 528053315 801184340 1056106630 1161717293 2112213260 2323434586 4646869172 5808586465 11617172930 23234345860