115311523 has 2 divisors, whose sum is σ = 115311524. Its totient is φ = 115311522.

The previous prime is 115311503. The next prime is 115311541. The reversal of 115311523 is 325113511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115311523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115311494 and 115311503.

It is not a weakly prime, because it can be changed into another prime (115311503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57655761 + 57655762.

It is an arithmetic number, because the mean of its divisors is an integer number (57655762).

Almost surely, 2^115311523 is an apocalyptic number.

115311523 is a deficient number, since it is larger than the sum of its proper divisors (1).

115311523 is an equidigital number, since it uses as much as digits as its factorization.

115311523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 22.

The square root of 115311523 is about 10738.3203062676. The cubic root of 115311523 is about 486.7331241472.

It can be divided in two parts, 115311 and 523, that multiplied together give a triangular number (60307653 = T₁₀₉₈₂).

The spelling of 115311523 in words is "one hundred fifteen million, three hundred eleven thousand, five hundred twenty-three".