56040723 has 6 divisors (see below), whose sum is σ = 80947724. Its totient is φ = 37360476.

The previous prime is 56040703. The next prime is 56040763. The reversal of 56040723 is 32704065.

It is a happy number.

It is not a de Polignac number, because 56040723 - 2⁶ = 56040659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56040703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3113365 + ... + 3113382.

Almost surely, 2^56040723 is an apocalyptic number.

56040723 is a deficient number, since it is larger than the sum of its proper divisors (24907001).

56040723 is a wasteful number, since it uses less digits than its factorization.

56040723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226753 (or 6226750 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56040723 is about 7486.0351989555. The cubic root of 56040723 is about 382.6789525321.

Adding to 56040723 its reverse (32704065), we get a palindrome (88744788).

The spelling of 56040723 in words is "fifty-six million, forty thousand, seven hundred twenty-three".