117972623 has 2 divisors, whose sum is σ = 117972624. Its totient is φ = 117972622.

The previous prime is 117972619. The next prime is 117972643. The reversal of 117972623 is 326279711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117972623 - 2² = 117972619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117972643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58986311 + 58986312.

It is an arithmetic number, because the mean of its divisors is an integer number (58986312).

Almost surely, 2^117972623 is an apocalyptic number.

117972623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117972623 is an equidigital number, since it uses as much as digits as its factorization.

117972623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 117972623 is about 10861.5202895359. The cubic root of 117972623 is about 490.4488778527.

The spelling of 117972623 in words is "one hundred seventeen million, nine hundred seventy-two thousand, six hundred twenty-three".