56123042142 has 32 divisors (see below), whose sum is σ = 112997261952. Its totient is φ = 18582561504.

The previous prime is 56123042093. The next prime is 56123042219. The reversal of 56123042142 is 24124032165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687873 + ... + 3703059.

It is an arithmetic number, because the mean of its divisors is an integer number (3531164436).

Almost surely, 2^56123042142 is an apocalyptic number.

56123042142 is an abundant number, since it is smaller than the sum of its proper divisors (56874219810).

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

56123042142 is a wasteful number, since it uses less digits than its factorization.

56123042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 56123042142 in words is "fifty-six billion, one hundred twenty-three million, forty-two thousand, one hundred forty-two".