23923445 has 16 divisors (see below), whose sum is σ = 35333760. Its totient is φ = 15142464.

The previous prime is 23923439. The next prime is 23923447. The reversal of 23923445 is 54432932.

It is a cyclic number.

It is not a de Polignac number, because 23923445 - 2¹² = 23919349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23923447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25835 + ... + 26744.

It is an arithmetic number, because the mean of its divisors is an integer number (2208360).

Almost surely, 2^23923445 is an apocalyptic number.

It is an amenable number.

23923445 is a deficient number, since it is larger than the sum of its proper divisors (11410315).

23923445 is a wasteful number, since it uses less digits than its factorization.

23923445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52604.

The product of its digits is 25920, while the sum is 32.

The square root of 23923445 is about 4891.1598828908. The cubic root of 23923445 is about 288.1428890037.

The spelling of 23923445 in words is "twenty-three million, nine hundred twenty-three thousand, four hundred forty-five".