23920075 has 12 divisors (see below), whose sum is σ = 30165480. Its totient is φ = 18810560.

The previous prime is 23920073. The next prime is 23920079. The reversal of 23920075 is 57002932.

It is not a de Polignac number, because 23920075 - 2¹ = 23920073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23920073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6634 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (2513790).

Almost surely, 2^23920075 is an apocalyptic number.

23920075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23920075 is a deficient number, since it is larger than the sum of its proper divisors (6245405).

23920075 is a wasteful number, since it uses less digits than its factorization.

23920075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286 (or 16281 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 23920075 is about 4890.8153716942. The cubic root of 23920075 is about 288.1293585229.

The spelling of 23920075 in words is "twenty-three million, nine hundred twenty thousand, seventy-five".