2323561157 has 2 divisors, whose sum is σ = 2323561158. Its totient is φ = 2323561156.

The previous prime is 2323561153. The next prime is 2323561159. The reversal of 2323561157 is 7511653232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2255680036 + 67881121 = 47494^2 + 8239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323561157 - 2² = 2323561153 is a prime.

Together with 2323561159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2323561151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161780578 + 1161780579.

It is an arithmetic number, because the mean of its divisors is an integer number (1161780579).

Almost surely, 2^2323561157 is an apocalyptic number.

It is an amenable number.

2323561157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323561157 is an equidigital number, since it uses as much as digits as its factorization.

2323561157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 35.

The square root of 2323561157 is about 48203.3313890233. The cubic root of 2323561157 is about 1324.4981903254.

The spelling of 2323561157 in words is "two billion, three hundred twenty-three million, five hundred sixty-one thousand, one hundred fifty-seven".