23400464 has 20 divisors (see below), whose sum is σ = 45979200. Its totient is φ = 11534880.

The previous prime is 23400451. The next prime is 23400469. The reversal of 23400464 is 46400432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23400469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9164 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (2298960).

Almost surely, 2^23400464 is an apocalyptic number.

It is an amenable number.

23400464 is a deficient number, since it is larger than the sum of its proper divisors (22578736).

23400464 is a wasteful number, since it uses less digits than its factorization.

23400464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678 (or 20672 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 23400464 is about 4837.4026088388. The cubic root of 23400464 is about 286.0277411271.

Adding to 23400464 its reverse (46400432), we get a palindrome (69800896).

The spelling of 23400464 in words is "twenty-three million, four hundred thousand, four hundred sixty-four".