23900731 has 2 divisors, whose sum is σ = 23900732. Its totient is φ = 23900730.

The previous prime is 23900713. The next prime is 23900753. The reversal of 23900731 is 13700932.

Together with previous prime (23900713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23900731 - 2¹¹ = 23898683 is a prime.

It is a super-2 number, since 2×23900731² = 1142489884668722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23900696 and 23900705.

It is not a weakly prime, because it can be changed into another prime (23900771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11950365 + 11950366.

It is an arithmetic number, because the mean of its divisors is an integer number (11950366).

Almost surely, 2^23900731 is an apocalyptic number.

23900731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23900731 is an equidigital number, since it uses as much as digits as its factorization.

23900731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 23900731 is about 4888.8373873550. The cubic root of 23900731 is about 288.0516681670.

The spelling of 23900731 in words is "twenty-three million, nine hundred thousand, seven hundred thirty-one".