56423031 has 8 divisors (see below), whose sum is σ = 85977984. Its totient is φ = 32241720.

The previous prime is 56423023. The next prime is 56423033. The reversal of 56423031 is 13032465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56423031 - 2³ = 56423023 is a prime.

It is a super-2 number, since 2×56423031² = 6367116854453922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56422992 and 56423010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56423033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1343385 + ... + 1343426.

It is an arithmetic number, because the mean of its divisors is an integer number (10747248).

Almost surely, 2^56423031 is an apocalyptic number.

56423031 is a deficient number, since it is larger than the sum of its proper divisors (29554953).

56423031 is a wasteful number, since it uses less digits than its factorization.

56423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686821.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56423031 is about 7511.5265425877. The cubic root of 56423031 is about 383.5471889677.

Adding to 56423031 its reverse (13032465), we get a palindrome (69455496).

The spelling of 56423031 in words is "fifty-six million, four hundred twenty-three thousand, thirty-one".