56157423 has 16 divisors (see below), whose sum is σ = 85748736. Its totient is φ = 32024160.

The previous prime is 56157419. The next prime is 56157449. The reversal of 56157423 is 32475165.

It is not a de Polignac number, because 56157423 - 2² = 56157419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56157463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8890 + ... + 13832.

It is an arithmetic number, because the mean of its divisors is an integer number (5359296).

Almost surely, 2^56157423 is an apocalyptic number.

56157423 is a deficient number, since it is larger than the sum of its proper divisors (29591313).

56157423 is a wasteful number, since it uses less digits than its factorization.

56157423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494.

The product of its digits is 25200, while the sum is 33.

The square root of 56157423 is about 7493.8256585005. The cubic root of 56157423 is about 382.9444003941.

The spelling of 56157423 in words is "fifty-six million, one hundred fifty-seven thousand, four hundred twenty-three".