25323463237 has 2 divisors, whose sum is σ = 25323463238. Its totient is φ = 25323463236.

The previous prime is 25323463171. The next prime is 25323463273. The reversal of 25323463237 is 73236432352.

Together with next prime (25323463273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15903984321 + 9419478916 = 126111^2 + 97054^2 .

It is a cyclic number.

It is not a de Polignac number, because 25323463237 - 2²⁷ = 25189245509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25323463237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25323463537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661731618 + 12661731619.

It is an arithmetic number, because the mean of its divisors is an integer number (12661731619).

Almost surely, 2^25323463237 is an apocalyptic number.

It is an amenable number.

25323463237 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323463237 is an equidigital number, since it uses as much as digits as its factorization.

25323463237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 40.

Adding to 25323463237 its reverse (73236432352), we get a palindrome (98559895589).

The spelling of 25323463237 in words is "twenty-five billion, three hundred twenty-three million, four hundred sixty-three thousand, two hundred thirty-seven".