56353023 has 16 divisors (see below), whose sum is σ = 84350560. Its totient is φ = 37179648.

The previous prime is 56353021. The next prime is 56353027. The reversal of 56353023 is 32035365.

56353023 is a `hidden beast` number, since 5 + 635 + 3 + 0 + 23 = 666.

It is not a de Polignac number, because 56353023 - 2¹ = 56353021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56353021) 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, 8140 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (5271910).

Almost surely, 2^56353023 is an apocalyptic number.

56353023 is a deficient number, since it is larger than the sum of its proper divisors (27997537).

56353023 is a wasteful number, since it uses less digits than its factorization.

56353023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623 (or 21617 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 56353023 is about 7506.8650580652. The cubic root of 56353023 is about 383.3884920417.

Adding to 56353023 its reverse (32035365), we get a palindrome (88388388).

The spelling of 56353023 in words is "fifty-six million, three hundred fifty-three thousand, twenty-three".