23155258028 has 24 divisors (see below), whose sum is σ = 46896729600. Its totient is φ = 9798064848.

The previous prime is 23155258019. The next prime is 23155258123. The reversal of 23155258028 is 82085255132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231798 + ... + 5236221.

It is an arithmetic number, because the mean of its divisors is an integer number (1954030400).

Almost surely, 2^23155258028 is an apocalyptic number.

23155258028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23155258028 is an abundant number, since it is smaller than the sum of its proper divisors (23741471572).

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

23155258028 is a wasteful number, since it uses less digits than its factorization.

23155258028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468109 (or 10468107 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 23155258028 in words is "twenty-three billion, one hundred fifty-five million, two hundred fifty-eight thousand, twenty-eight".