23928031 has 2 divisors, whose sum is σ = 23928032. Its totient is φ = 23928030.

The previous prime is 23928017. The next prime is 23928053. The reversal of 23928031 is 13082932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23928031 - 2¹¹ = 23925983 is a prime.

It is a super-2 number, since 2×23928031² = 1145101335073922, which contains 22 as substring.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23928631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11964015 + 11964016.

It is an arithmetic number, because the mean of its divisors is an integer number (11964016).

Almost surely, 2^23928031 is an apocalyptic number.

23928031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23928031 is an equidigital number, since it uses as much as digits as its factorization.

23928031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23928031 is about 4891.6286653833. The cubic root of 23928031 is about 288.1612996585.

The spelling of 23928031 in words is "twenty-three million, nine hundred twenty-eight thousand, thirty-one".