23205288157 has 2 divisors, whose sum is σ = 23205288158. Its totient is φ = 23205288156.

The previous prime is 23205288151. The next prime is 23205288163. The reversal of 23205288157 is 75188250232.

It is a balanced prime because it is at equal distance from previous prime (23205288151) and next prime (23205288163).

It can be written as a sum of positive squares in only one way, i.e., 15736698916 + 7468589241 = 125446^2 + 86421^2 .

It is a cyclic number.

It is not a de Polignac number, because 23205288157 - 2²³ = 23196899549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23205288151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602644078 + 11602644079.

It is an arithmetic number, because the mean of its divisors is an integer number (11602644079).

Almost surely, 2^23205288157 is an apocalyptic number.

It is an amenable number.

23205288157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23205288157 is an equidigital number, since it uses as much as digits as its factorization.

23205288157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 23205288157 in words is "twenty-three billion, two hundred five million, two hundred eighty-eight thousand, one hundred fifty-seven".