2315542655623 has 2 divisors, whose sum is σ = 2315542655624. Its totient is φ = 2315542655622.

The previous prime is 2315542655603. The next prime is 2315542655663. The reversal of 2315542655623 is 3265562455132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315542655623 - 2²⁹ = 2315005784711 is a prime.

It is a super-3 number, since 3×2315542655623³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315542655603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157771327811 + 1157771327812.

It is an arithmetic number, because the mean of its divisors is an integer number (1157771327812).

Almost surely, 2^{2315542655623} is an apocalyptic number.

2315542655623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315542655623 is an equidigital number, since it uses as much as digits as its factorization.

2315542655623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 49.

The spelling of 2315542655623 in words is "two trillion, three hundred fifteen billion, five hundred forty-two million, six hundred fifty-five thousand, six hundred twenty-three".