113323157 has 4 divisors (see below), whose sum is σ = 115734336. Its totient is φ = 110911980.

The previous prime is 113323153. The next prime is 113323181. The reversal of 113323157 is 751323311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113323157 - 2² = 113323153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113323151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205519 + ... + 1205612.

It is an arithmetic number, because the mean of its divisors is an integer number (28933584).

Almost surely, 2^113323157 is an apocalyptic number.

It is an amenable number.

113323157 is a deficient number, since it is larger than the sum of its proper divisors (2411179).

113323157 is an equidigital number, since it uses as much as digits as its factorization.

113323157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411178.

The product of its digits is 1890, while the sum is 26.

The square root of 113323157 is about 10645.3349876836. The cubic root of 113323157 is about 483.9192386819.

Adding to 113323157 its reverse (751323311), we get a palindrome (864646468).

The spelling of 113323157 in words is "one hundred thirteen million, three hundred twenty-three thousand, one hundred fifty-seven".