116571623 has 4 divisors (see below), whose sum is σ = 133224720. Its totient is φ = 99918528.

The previous prime is 116571617. The next prime is 116571629. The reversal of 116571623 is 326175611.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (116571617) and next prime (116571629).

It is a cyclic number.

It is not a de Polignac number, because 116571623 - 2²⁰ = 115523047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116571623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116571629) 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 in 3 ways as a sum of consecutive naturals, for example, 8326538 + ... + 8326551.

It is an arithmetic number, because the mean of its divisors is an integer number (33306180).

Almost surely, 2^116571623 is an apocalyptic number.

116571623 is a deficient number, since it is larger than the sum of its proper divisors (16653097).

116571623 is an equidigital number, since it uses as much as digits as its factorization.

116571623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16653096.

The product of its digits is 7560, while the sum is 32.

The square root of 116571623 is about 10796.8339340753. The cubic root of 116571623 is about 488.4996771530.

The spelling of 116571623 in words is "one hundred sixteen million, five hundred seventy-one thousand, six hundred twenty-three".