23720163512 has 16 divisors (see below), whose sum is σ = 47091501360. Its totient is φ = 11162429824.

The previous prime is 23720163431. The next prime is 23720163527. The reversal of 23720163512 is 21536102732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87206348 + ... + 87206619.

It is an arithmetic number, because the mean of its divisors is an integer number (2943218835).

Almost surely, 2^23720163512 is an apocalyptic number.

It is an amenable number.

23720163512 is a deficient number, since it is larger than the sum of its proper divisors (23371337848).

23720163512 is a wasteful number, since it uses less digits than its factorization.

23720163512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174412990 (or 174412986 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 23720163512 in words is "twenty-three billion, seven hundred twenty million, one hundred sixty-three thousand, five hundred twelve".