117513223 has 2 divisors, whose sum is σ = 117513224. Its totient is φ = 117513222.

The previous prime is 117513199. The next prime is 117513239. The reversal of 117513223 is 322315711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117513223 - 2⁹ = 117512711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117523223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58756611 + 58756612.

It is an arithmetic number, because the mean of its divisors is an integer number (58756612).

Almost surely, 2^117513223 is an apocalyptic number.

117513223 is a deficient number, since it is larger than the sum of its proper divisors (1).

117513223 is an equidigital number, since it uses as much as digits as its factorization.

117513223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 117513223 is about 10840.3516086887. The cubic root of 117513223 is about 489.8114268135.

Adding to 117513223 its reverse (322315711), we get a palindrome (439828934).

The spelling of 117513223 in words is "one hundred seventeen million, five hundred thirteen thousand, two hundred twenty-three".