113023511 has 4 divisors (see below), whose sum is σ = 115780224. Its totient is φ = 110266800.

The previous prime is 113023501. The next prime is 113023549. The reversal of 113023511 is 115320311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115320311 = 1999 ⋅57689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113023511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113023511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113023501) 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, 1378295 + ... + 1378376.

It is an arithmetic number, because the mean of its divisors is an integer number (28945056).

Almost surely, 2^113023511 is an apocalyptic number.

113023511 is a deficient number, since it is larger than the sum of its proper divisors (2756713).

113023511 is an equidigital number, since it uses as much as digits as its factorization.

113023511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756712.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 113023511 is about 10631.2516196354. The cubic root of 113023511 is about 483.4923401799.

Adding to 113023511 its reverse (115320311), we get a palindrome (228343822).

The spelling of 113023511 in words is "one hundred thirteen million, twenty-three thousand, five hundred eleven".