2312523391 has 2 divisors, whose sum is σ = 2312523392. Its totient is φ = 2312523390.

The previous prime is 2312523361. The next prime is 2312523427. The reversal of 2312523391 is 1933252132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2312523391 - 2¹⁵ = 2312490623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312523331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156261695 + 1156261696.

It is an arithmetic number, because the mean of its divisors is an integer number (1156261696).

Almost surely, 2^2312523391 is an apocalyptic number.

2312523391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312523391 is an equidigital number, since it uses as much as digits as its factorization.

2312523391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 2312523391 is about 48088.7033616004. The cubic root of 2312523391 is about 1322.3975768392.

The spelling of 2312523391 in words is "two billion, three hundred twelve million, five hundred twenty-three thousand, three hundred ninety-one".