23325205157 has 2 divisors, whose sum is σ = 23325205158. Its totient is φ = 23325205156.

The previous prime is 23325205153. The next prime is 23325205231. The reversal of 23325205157 is 75150252332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18127660321 + 5197544836 = 134639^2 + 72094^2 .

It is a cyclic number.

It is not a de Polignac number, because 23325205157 - 2² = 23325205153 is a prime.

It is a super-2 number, since 2×23325205157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23325205153) 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, 11662602578 + 11662602579.

It is an arithmetic number, because the mean of its divisors is an integer number (11662602579).

Almost surely, 2^23325205157 is an apocalyptic number.

It is an amenable number.

23325205157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23325205157 is an equidigital number, since it uses as much as digits as its factorization.

23325205157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

Adding to 23325205157 its reverse (75150252332), we get a palindrome (98475457489).

The spelling of 23325205157 in words is "twenty-three billion, three hundred twenty-five million, two hundred five thousand, one hundred fifty-seven".