23404080 has 80 divisors (see below), whose sum is σ = 82923264. Its totient is φ = 5349120.

The previous prime is 23404057. The next prime is 23404093. The reversal of 23404080 is 8040432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 8645.

Almost surely, 2^23404080 is an apocalyptic number.

23404080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404080 is an abundant number, since it is smaller than the sum of its proper divisors (59519184).

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

23404080 is a wasteful number, since it uses less digits than its factorization.

23404080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13954 (or 13948 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 23404080 is about 4837.7763486958. The cubic root of 23404080 is about 286.0424733569.

The spelling of 23404080 in words is "twenty-three million, four hundred four thousand, eighty".