2323231231157 has 2 divisors, whose sum is σ = 2323231231158. Its totient is φ = 2323231231156.

The previous prime is 2323231231091. The next prime is 2323231231219. The reversal of 2323231231157 is 7511321323232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478962447876 + 844268783281 = 1216126^2 + 918841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2323231231157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2323231231757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161615615578 + 1161615615579.

It is an arithmetic number, because the mean of its divisors is an integer number (1161615615579).

Almost surely, 2^{2323231231157} is an apocalyptic number.

It is an amenable number.

2323231231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323231231157 is an equidigital number, since it uses as much as digits as its factorization.

2323231231157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

Adding to 2323231231157 its reverse (7511321323232), we get a palindrome (9834552554389).

The spelling of 2323231231157 in words is "two trillion, three hundred twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred fifty-seven".