56740023 has 24 divisors (see below), whose sum is σ = 88386480. Its totient is φ = 34957440.

The previous prime is 56740009. The next prime is 56740027. The reversal of 56740023 is 32004765.

It is a happy number.

It is not a de Polignac number, because 56740023 - 2⁹ = 56739511 is a prime.

It is a super-3 number, since 3×56740023³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56740027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2965 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (3682770).

Almost surely, 2^56740023 is an apocalyptic number.

56740023 is a deficient number, since it is larger than the sum of its proper divisors (31646457).

56740023 is a wasteful number, since it uses less digits than its factorization.

56740023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8156 counting only the distinct ones).

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

The square root of 56740023 is about 7532.5973608046. The cubic root of 56740023 is about 384.2641208637.

Adding to 56740023 its reverse (32004765), we get a palindrome (88744788).

The spelling of 56740023 in words is "fifty-six million, seven hundred forty thousand, twenty-three".