56123400354 has 16 divisors (see below), whose sum is σ = 128282058048. Its totient is φ = 16035257232.

The previous prime is 56123400349. The next prime is 56123400371. The reversal of 56123400354 is 45300432165.

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, 668135677 + ... + 668135760.

It is an arithmetic number, because the mean of its divisors is an integer number (8017628628).

Almost surely, 2^56123400354 is an apocalyptic number.

56123400354 is an abundant number, since it is smaller than the sum of its proper divisors (72158657694).

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

56123400354 is a wasteful number, since it uses less digits than its factorization.

56123400354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336271449.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 56123400354 in words is "fifty-six billion, one hundred twenty-three million, four hundred thousand, three hundred fifty-four".