117078623 has 4 divisors (see below), whose sum is σ = 117213000. Its totient is φ = 116944248.

The previous prime is 117078601. The next prime is 117078629. The reversal of 117078623 is 326870711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326870711 = 521 ⋅627391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117078623 is a prime.

It is a super-2 number, since 2×117078623² = 27414807927152258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117078629) 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, 65873 + ... + 67626.

It is an arithmetic number, because the mean of its divisors is an integer number (29303250).

Almost surely, 2^117078623 is an apocalyptic number.

117078623 is a deficient number, since it is larger than the sum of its proper divisors (134377).

117078623 is an equidigital number, since it uses as much as digits as its factorization.

117078623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134376.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 117078623 is about 10820.2875654947. The cubic root of 117078623 is about 489.2068565270.

The spelling of 117078623 in words is "one hundred seventeen million, seventy-eight thousand, six hundred twenty-three".