31233023 has 2 divisors, whose sum is σ = 31233024. Its totient is φ = 31233022.

The previous prime is 31232989. The next prime is 31233031. The reversal of 31233023 is 32033213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31233023 - 2⁶ = 31232959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31232992 and 31233010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31233053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616511 + 15616512.

It is an arithmetic number, because the mean of its divisors is an integer number (15616512).

Almost surely, 2^31233023 is an apocalyptic number.

31233023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31233023 is an equidigital number, since it uses as much as digits as its factorization.

31233023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 31233023 is about 5588.6512684189. The cubic root of 31233023 is about 314.9232129957.

Adding to 31233023 its reverse (32033213), we get a palindrome (63266236).

The spelling of 31233023 in words is "thirty-one million, two hundred thirty-three thousand, twenty-three".