23464440 has 48 divisors (see below), whose sum is σ = 76260600. Its totient is φ = 6257088.

The previous prime is 23464429. The next prime is 23464453. The reversal of 23464440 is 4446432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32230 + ... + 32949.

Almost surely, 2^23464440 is an apocalyptic number.

23464440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23464440 is an abundant number, since it is smaller than the sum of its proper divisors (52796160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23464440 is a wasteful number, since it uses less digits than its factorization.

23464440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65196 (or 65189 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 23464440 is about 4844.0107349179. The cubic root of 23464440 is about 286.2881670153.

It can be divided in two parts, 2346 and 4440, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 23464440 in words is "twenty-three million, four hundred sixty-four thousand, four hundred forty".