115623929 has 2 divisors, whose sum is σ = 115623930. Its totient is φ = 115623928.

The previous prime is 115623923. The next prime is 115623941. The reversal of 115623929 is 929326511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109767529 + 5856400 = 10477^2 + 2420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115623929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115623892 and 115623901.

It is not a weakly prime, because it can be changed into another prime (115623923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57811964 + 57811965.

It is an arithmetic number, because the mean of its divisors is an integer number (57811965).

Almost surely, 2^115623929 is an apocalyptic number.

It is an amenable number.

115623929 is a deficient number, since it is larger than the sum of its proper divisors (1).

115623929 is an equidigital number, since it uses as much as digits as its factorization.

115623929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 115623929 is about 10752.8567831995. The cubic root of 115623929 is about 487.1722859070.

The spelling of 115623929 in words is "one hundred fifteen million, six hundred twenty-three thousand, nine hundred twenty-nine".