23924145 has 16 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 10936704.

The previous prime is 23924143. The next prime is 23924149. The reversal of 23924145 is 54142932.

It is not a de Polignac number, because 23924145 - 2¹ = 23924143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23924141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113820 + ... + 114029.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^23924145 is an apocalyptic number.

It is an amenable number.

23924145 is a deficient number, since it is larger than the sum of its proper divisors (19823055).

23924145 is a wasteful number, since it uses less digits than its factorization.

23924145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227864.

The product of its digits is 8640, while the sum is 30.

The square root of 23924145 is about 4891.2314400363. The cubic root of 23924145 is about 288.1456993299.

The spelling of 23924145 in words is "twenty-three million, nine hundred twenty-four thousand, one hundred forty-five".