23440364 has 6 divisors (see below), whose sum is σ = 41020644. Its totient is φ = 11720180.

The previous prime is 23440349. The next prime is 23440369. The reversal of 23440364 is 46304432.

It is not an unprimeable number, because it can be changed into a prime (23440369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930042 + ... + 2930049.

It is an arithmetic number, because the mean of its divisors is an integer number (6836774).

Almost surely, 2^23440364 is an apocalyptic number.

It is an amenable number.

23440364 is a deficient number, since it is larger than the sum of its proper divisors (17580280).

23440364 is a wasteful number, since it uses less digits than its factorization.

23440364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860095 (or 5860093 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 23440364 is about 4841.5249663716. The cubic root of 23440364 is about 286.1902169159.

Adding to 23440364 its reverse (46304432), we get a palindrome (69744796).

The spelling of 23440364 in words is "twenty-three million, four hundred forty thousand, three hundred sixty-four".