117066623 has 2 divisors, whose sum is σ = 117066624. Its totient is φ = 117066622.

The previous prime is 117066617. The next prime is 117066643. The reversal of 117066623 is 326660711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117066623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117066623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117066643) 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, 58533311 + 58533312.

It is an arithmetic number, because the mean of its divisors is an integer number (58533312).

Almost surely, 2^117066623 is an apocalyptic number.

117066623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117066623 is an equidigital number, since it uses as much as digits as its factorization.

117066623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 117066623 is about 10819.7330373720. The cubic root of 117066623 is about 489.1901421667.

The spelling of 117066623 in words is "one hundred seventeen million, sixty-six thousand, six hundred twenty-three".