23156026212 has 48 divisors (see below), whose sum is σ = 58952174400. Its totient is φ = 7015839360.

The previous prime is 23156026189. The next prime is 23156026219. The reversal of 23156026212 is 21262065132.

It is a self number, because there is not a number n which added to its sum of digits gives 23156026212.

It is not an unprimeable number, because it can be changed into a prime (23156026219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1182114 + ... + 1201542.

It is an arithmetic number, because the mean of its divisors is an integer number (1228170300).

Almost surely, 2^23156026212 is an apocalyptic number.

23156026212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23156026212 is an abundant number, since it is smaller than the sum of its proper divisors (35796148188).

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

23156026212 is a wasteful number, since it uses less digits than its factorization.

23156026212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28476 (or 28474 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 23156026212 in words is "twenty-three billion, one hundred fifty-six million, twenty-six thousand, two hundred twelve".