23312032157 has 2 divisors, whose sum is σ = 23312032158. Its totient is φ = 23312032156.

The previous prime is 23312032091. The next prime is 23312032199. The reversal of 23312032157 is 75123021332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23229112921 + 82919236 = 152411^2 + 9106^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312032157 - 2¹⁶ = 23311966621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312032057) 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, 11656016078 + 11656016079.

It is an arithmetic number, because the mean of its divisors is an integer number (11656016079).

Almost surely, 2^23312032157 is an apocalyptic number.

It is an amenable number.

23312032157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312032157 is an equidigital number, since it uses as much as digits as its factorization.

23312032157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 23312032157 its reverse (75123021332), we get a palindrome (98435053489).

The spelling of 23312032157 in words is "twenty-three billion, three hundred twelve million, thirty-two thousand, one hundred fifty-seven".