23147956118 has 16 divisors (see below), whose sum is σ = 39686526720. Its totient is φ = 9919473576.

The previous prime is 23147956103. The next prime is 23147956133. The reversal of 23147956118 is 81165974132.

It is an interprime number because it is at equal distance from previous prime (23147956103) and next prime (23147956133).

It is a Curzon number.

It is a congruent number.

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, 51005 + ... + 221127.

It is an arithmetic number, because the mean of its divisors is an integer number (2480407920).

Almost surely, 2^23147956118 is an apocalyptic number.

23147956118 is a deficient number, since it is larger than the sum of its proper divisors (16538570602).

23147956118 is a wasteful number, since it uses less digits than its factorization.

23147956118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179851.

The product of its digits is 362880, while the sum is 47.

The spelling of 23147956118 in words is "twenty-three billion, one hundred forty-seven million, nine hundred fifty-six thousand, one hundred eighteen".