23337312157 has 2 divisors, whose sum is σ = 23337312158. Its totient is φ = 23337312156.

The previous prime is 23337312133. The next prime is 23337312203. The reversal of 23337312157 is 75121373332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23246795961 + 90516196 = 152469^2 + 9514^2 .

It is a cyclic number.

It is not a de Polignac number, because 23337312157 - 2⁷ = 23337312029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23337312857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11668656078 + 11668656079.

It is an arithmetic number, because the mean of its divisors is an integer number (11668656079).

Almost surely, 2^23337312157 is an apocalyptic number.

It is an amenable number.

23337312157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23337312157 is an equidigital number, since it uses as much as digits as its factorization.

23337312157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 37.

Adding to 23337312157 its reverse (75121373332), we get a palindrome (98458685489).

The spelling of 23337312157 in words is "twenty-three billion, three hundred thirty-seven million, three hundred twelve thousand, one hundred fifty-seven".