115578623 has 2 divisors, whose sum is σ = 115578624. Its totient is φ = 115578622.

The previous prime is 115578599. The next prime is 115578641. The reversal of 115578623 is 326875511.

It is a strong prime.

It is an emirp because it is prime and its reverse (326875511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115578623 - 2¹² = 115574527 is a prime.

It is a super-2 number, since 2×115578623² = 26716836189152258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115578923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57789311 + 57789312.

It is an arithmetic number, because the mean of its divisors is an integer number (57789312).

Almost surely, 2^115578623 is an apocalyptic number.

115578623 is a deficient number, since it is larger than the sum of its proper divisors (1).

115578623 is an equidigital number, since it uses as much as digits as its factorization.

115578623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 115578623 is about 10750.7498808223. The cubic root of 115578623 is about 487.1086465108.

The spelling of 115578623 in words is "one hundred fifteen million, five hundred seventy-eight thousand, six hundred twenty-three".