23338042157 has 2 divisors, whose sum is σ = 23338042158. Its totient is φ = 23338042156.

The previous prime is 23338042151. The next prime is 23338042193. The reversal of 23338042157 is 75124083332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23146883881 + 191158276 = 152141^2 + 13826^2 .

It is a cyclic number.

It is not a de Polignac number, because 23338042157 - 2⁴ = 23338042141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23338042157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23338042151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11669021078 + 11669021079.

It is an arithmetic number, because the mean of its divisors is an integer number (11669021079).

Almost surely, 2^23338042157 is an apocalyptic number.

It is an amenable number.

23338042157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23338042157 is an equidigital number, since it uses as much as digits as its factorization.

23338042157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 23338042157 in words is "twenty-three billion, three hundred thirty-eight million, forty-two thousand, one hundred fifty-seven".