57117204123 has 80 divisors (see below), whose sum is σ = 93586563840. Its totient is φ = 30923145792.

The previous prime is 57117204113. The next prime is 57117204143. The reversal of 57117204123 is 32140271175.

It is not a de Polignac number, because 57117204123 - 2¹³ = 57117195931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57117204113) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18056340 + ... + 18059502.

It is an arithmetic number, because the mean of its divisors is an integer number (1169832048).

Almost surely, 2^57117204123 is an apocalyptic number.

57117204123 is a deficient number, since it is larger than the sum of its proper divisors (36469359717).

57117204123 is a wasteful number, since it uses less digits than its factorization.

57117204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 57117204123 its reverse (32140271175), we get a palindrome (89257475298).

The spelling of 57117204123 in words is "fifty-seven billion, one hundred seventeen million, two hundred four thousand, one hundred twenty-three".