23440806 has 32 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 7789032.

The previous prime is 23440799. The next prime is 23440817. The reversal of 23440806 is 60804432.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23440806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26731 + ... + 27593.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^23440806 is an apocalyptic number.

23440806 is an abundant number, since it is smaller than the sum of its proper divisors (28813914).

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

23440806 is a wasteful number, since it uses less digits than its factorization.

23440806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 23440806 is about 4841.5706129313. The cubic root of 23440806 is about 286.1920157401.

The spelling of 23440806 in words is "twenty-three million, four hundred forty thousand, eight hundred six".