115979723 has 2 divisors, whose sum is σ = 115979724. Its totient is φ = 115979722.

The previous prime is 115979701. The next prime is 115979753. The reversal of 115979723 is 327979511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115979723 - 2⁸ = 115979467 is a prime.

It is a super-2 number, since 2×115979723² = 26902592294313458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115979753) 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, 57989861 + 57989862.

It is an arithmetic number, because the mean of its divisors is an integer number (57989862).

Almost surely, 2^115979723 is an apocalyptic number.

115979723 is a deficient number, since it is larger than the sum of its proper divisors (1).

115979723 is an equidigital number, since it uses as much as digits as its factorization.

115979723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 44.

The square root of 115979723 is about 10769.3882370356. The cubic root of 115979723 is about 487.6714775238.

The spelling of 115979723 in words is "one hundred fifteen million, nine hundred seventy-nine thousand, seven hundred twenty-three".