23956002940 has 24 divisors (see below), whose sum is σ = 52955375760. Its totient is φ = 9078064128.

The previous prime is 23956002919. The next prime is 23956002979. The reversal of 23956002940 is 4920065932.

It is a super-2 number, since 2×23956002940² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23956002893 and 23956002902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31520677 + ... + 31521436.

It is an arithmetic number, because the mean of its divisors is an integer number (2206473990).

Almost surely, 2^23956002940 is an apocalyptic number.

23956002940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23956002940 is an abundant number, since it is smaller than the sum of its proper divisors (28999372820).

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

23956002940 is a wasteful number, since it uses less digits than its factorization.

23956002940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63042141 (or 63042139 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 23956002940 in words is "twenty-three billion, nine hundred fifty-six million, two thousand, nine hundred forty".