23156238616240 has 40 divisors (see below), whose sum is σ = 53839218631968. Its totient is φ = 9262329623040.

The previous prime is 23156238616193. The next prime is 23156238616261. The reversal of 23156238616240 is 4261683265132.

23156238616240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×23156238616240² (a number of 28 digits) contains 22 as substring.

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, 1955085 + ... + 7080595.

Almost surely, 2^{23156238616240} is an apocalyptic number.

23156238616240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23156238616240 is an abundant number, since it is smaller than the sum of its proper divisors (30682980015728).

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

23156238616240 is a wasteful number, since it uses less digits than its factorization.

23156238616240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181997 (or 5181991 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 23156238616240 in words is "twenty-three trillion, one hundred fifty-six billion, two hundred thirty-eight million, six hundred sixteen thousand, two hundred forty".