2320416231557 has 2 divisors, whose sum is σ = 2320416231558. Its totient is φ = 2320416231556.

The previous prime is 2320416231509. The next prime is 2320416231559. The reversal of 2320416231557 is 7551326140232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2307819760801 + 12596470756 = 1519151^2 + 112234^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320416231557 - 2²⁴ = 2320399454341 is a prime.

Together with 2320416231559, 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 (2320416231559) 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, 1160208115778 + 1160208115779.

It is an arithmetic number, because the mean of its divisors is an integer number (1160208115779).

Almost surely, 2^{2320416231557} is an apocalyptic number.

It is an amenable number.

2320416231557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320416231557 is an equidigital number, since it uses as much as digits as its factorization.

2320416231557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 2320416231557 in words is "two trillion, three hundred twenty billion, four hundred sixteen million, two hundred thirty-one thousand, five hundred fifty-seven".