117960823 has 2 divisors, whose sum is σ = 117960824. Its totient is φ = 117960822.

The previous prime is 117960809. The next prime is 117960833. The reversal of 117960823 is 328069711.

It is a strong prime.

It is an emirp because it is prime and its reverse (328069711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117960823 - 2¹³ = 117952631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117960833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58980411 + 58980412.

It is an arithmetic number, because the mean of its divisors is an integer number (58980412).

Almost surely, 2^117960823 is an apocalyptic number.

117960823 is a deficient number, since it is larger than the sum of its proper divisors (1).

117960823 is an equidigital number, since it uses as much as digits as its factorization.

117960823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 117960823 is about 10860.9770739101. The cubic root of 117960823 is about 490.4325252177.

The spelling of 117960823 in words is "one hundred seventeen million, nine hundred sixty thousand, eight hundred twenty-three".