23893031 has 2 divisors, whose sum is σ = 23893032. Its totient is φ = 23893030.

The previous prime is 23893019. The next prime is 23893039. The reversal of 23893031 is 13039832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23893031 - 2²² = 19698727 is a prime.

It is a super-2 number, since 2×23893031² = 1141753860733922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23892985 and 23893003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23893039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11946515 + 11946516.

It is an arithmetic number, because the mean of its divisors is an integer number (11946516).

Almost surely, 2^23893031 is an apocalyptic number.

23893031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23893031 is an equidigital number, since it uses as much as digits as its factorization.

23893031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23893031 is about 4888.0498156218. The cubic root of 23893031 is about 288.0207313716.

The spelling of 23893031 in words is "twenty-three million, eight hundred ninety-three thousand, thirty-one".