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23320131123 = 3177327722613
BaseRepresentation
bin10101101101111111…
…001111011000110011
32020012012221101221010
4111231333033120303
5340224423143443
614414011202003
71453615562322
oct255577173063
966165841833
1023320131123
119987673743
124629a46303
1322784b7c73
1411b32220b9
15917498733
hex56dfcf633

23320131123 has 32 divisors (see below), whose sum is σ = 33495494976. Its totient is φ = 14379061248.

The previous prime is 23320131077. The next prime is 23320131127. The reversal of 23320131123 is 32113102332.

It is not a de Polignac number, because 23320131123 - 26 = 23320131059 is a prime.

It is a super-2 number, since 2×233201311232 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23320131123.

It is not an unprimeable number, because it can be changed into a prime (23320131127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1019965 + ... + 1042577.

It is an arithmetic number, because the mean of its divisors is an integer number (1046734218).

Almost surely, 223320131123 is an apocalyptic number.

23320131123 is a deficient number, since it is larger than the sum of its proper divisors (10175363853).

23320131123 is a wasteful number, since it uses less digits than its factorization.

23320131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23320131123 its reverse (32113102332), we get a palindrome (55433233455).

The spelling of 23320131123 in words is "twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 3 17 51 73 219 277 831 1241 3723 4709 14127 20221 22613 60663 67839 343757 384421 1031271 1153263 1650749 4952247 6263801 18791403 28062733 84188199 106484617 319453851 457257473 1371772419 7773377041 23320131123