23261520556100 has 36 divisors (see below), whose sum is σ = 50487733294404. Its totient is φ = 9302721828480.

The previous prime is 23261520556067. The next prime is 23261520556171. The reversal of 23261520556100 is 165502516232.

It can be written as a sum of positive squares in 6 ways, for example, as 3525021270016 + 19736499286084 = 1877504^2 + 4442578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23084159 + ... + 24070758.

Almost surely, 2^{23261520556100} is an apocalyptic number.

23261520556100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23261520556100 is an abundant number, since it is smaller than the sum of its proper divisors (27226212738304).

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

23261520556100 is a wasteful number, since it uses less digits than its factorization.

23261520556100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47159864 (or 47159857 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 23261520556100 in words is "twenty-three trillion, two hundred sixty-one billion, five hundred twenty million, five hundred fifty-six thousand, one hundred".