23956216956 has 72 divisors (see below), whose sum is σ = 72849329280. Its totient is φ = 6484388256.

The previous prime is 23956216939. The next prime is 23956216979. The reversal of 23956216956 is 65961265932.

It is a happy number.

23956216956 is a `hidden beast` number, since 2 + 3 + 9 + 5 + 621 + 6 + 9 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2496906 + ... + 2506481.

It is an arithmetic number, because the mean of its divisors is an integer number (1011796240).

Almost surely, 2^23956216956 is an apocalyptic number.

It is an amenable number.

23956216956 is an abundant number, since it is smaller than the sum of its proper divisors (48893112324).

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

23956216956 is a wasteful number, since it uses less digits than its factorization.

23956216956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003423 (or 5003418 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 23956216956 in words is "twenty-three billion, nine hundred fifty-six million, two hundred sixteen thousand, nine hundred fifty-six".