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23302021230 = 23251913626913
BaseRepresentation
bin10101101100111010…
…001010000001101110
32020010221212022211100
4111230322022001232
5340210304134410
614412123103530
71453305624645
oct255472120156
966127768740
1023302021230
119978424494
124623971ba6
132274816c57
1411b0a6a35c
15915abc8c0
hex56ce8a06e

23302021230 has 48 divisors (see below), whose sum is σ = 63773957520. Its totient is φ = 5886825984.

The previous prime is 23302021219. The next prime is 23302021247. The reversal of 23302021230 is 3212020332.

It is a happy number.

23302021230 is a `hidden beast` number, since 233 + 0 + 202 + 1 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6811747 + ... + 6815166.

It is an arithmetic number, because the mean of its divisors is an integer number (1328624115).

Almost surely, 223302021230 is an apocalyptic number.

23302021230 is an abundant number, since it is smaller than the sum of its proper divisors (40471936290).

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

23302021230 is a wasteful number, since it uses less digits than its factorization.

23302021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626945 (or 13626942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23302021230 its reverse (3212020332), we get a palindrome (26514041562).

The spelling of 23302021230 in words is "twenty-three billion, three hundred two million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 13626913 27253826 40880739 68134565 81761478 122642217 136269130 204403695 245284434 258911347 408807390 517822694 613211085 776734041 1226422170 1294556735 1553468082 2330202123 2589113470 3883670205 4660404246 7767340410 11651010615 23302021230