56823999318 has 24 divisors (see below), whose sum is σ = 128471651568. Its totient is φ = 18117796752.

The previous prime is 56823999317. The next prime is 56823999319. The reversal of 56823999318 is 81399932865.

56823999318 is a `hidden beast` number, since 568 + 2 + 39 + 9 + 9 + 31 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (56823999317) and next prime (56823999319).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56823999317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68627605 + ... + 68628432.

It is an arithmetic number, because the mean of its divisors is an integer number (5352985482).

Almost surely, 2^56823999318 is an apocalyptic number.

56823999318 is an abundant number, since it is smaller than the sum of its proper divisors (71647652250).

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

56823999318 is a wasteful number, since it uses less digits than its factorization.

56823999318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137256068 (or 137256065 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 56823999318 in words is "fifty-six billion, eight hundred twenty-three million, nine hundred ninety-nine thousand, three hundred eighteen".