117554623 has 2 divisors, whose sum is σ = 117554624. Its totient is φ = 117554622.

The previous prime is 117554611. The next prime is 117554681. The reversal of 117554623 is 326455711.

It is a weak prime.

It is an emirp because it is prime and its reverse (326455711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117554623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117554693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58777311 + 58777312.

It is an arithmetic number, because the mean of its divisors is an integer number (58777312).

Almost surely, 2^117554623 is an apocalyptic number.

117554623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117554623 is an equidigital number, since it uses as much as digits as its factorization.

117554623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 117554623 is about 10842.2609726938. The cubic root of 117554623 is about 489.8689403757.

The spelling of 117554623 in words is "one hundred seventeen million, five hundred fifty-four thousand, six hundred twenty-three".