56123069457 has 32 divisors (see below), whose sum is σ = 93396602880. Its totient is φ = 29186418240.

The previous prime is 56123069441. The next prime is 56123069533. The reversal of 56123069457 is 75496032165.

It is not a de Polignac number, because 56123069457 - 2⁴ = 56123069441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56123069437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428357 + ... + 1467122.

It is an arithmetic number, because the mean of its divisors is an integer number (2918643840).

Almost surely, 2^56123069457 is an apocalyptic number.

It is an amenable number.

56123069457 is a deficient number, since it is larger than the sum of its proper divisors (37273533423).

56123069457 is a wasteful number, since it uses less digits than its factorization.

56123069457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895573.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 56123069457 in words is "fifty-six billion, one hundred twenty-three million, sixty-nine thousand, four hundred fifty-seven".