23940805 has 32 divisors (see below), whose sum is σ = 34444800. Its totient is φ = 15628032.

The previous prime is 23940799. The next prime is 23940821. The reversal of 23940805 is 50804932.

It is not a de Polignac number, because 23940805 - 2³ = 23940797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104431 + ... + 104659.

It is an arithmetic number, because the mean of its divisors is an integer number (1076400).

Almost surely, 2^23940805 is an apocalyptic number.

It is an amenable number.

23940805 is a deficient number, since it is larger than the sum of its proper divisors (10503995).

23940805 is a wasteful number, since it uses less digits than its factorization.

23940805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23940805 is about 4892.9341912599. The cubic root of 23940805 is about 288.2125689223.

The spelling of 23940805 in words is "twenty-three million, nine hundred forty thousand, eight hundred five".