113120233 has 4 divisors (see below), whose sum is σ = 118038528. Its totient is φ = 108201940.

The previous prime is 113120221. The next prime is 113120237. The reversal of 113120233 is 332021311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 332021311 = 1097 ⋅302663.

It is a cyclic number.

It is not a de Polignac number, because 113120233 - 2¹⁷ = 112989161 is a prime.

It is a super-2 number, since 2×113120233² = 25592374227948578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113120237) 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, 2459113 + ... + 2459158.

It is an arithmetic number, because the mean of its divisors is an integer number (29509632).

Almost surely, 2^113120233 is an apocalyptic number.

It is an amenable number.

113120233 is a deficient number, since it is larger than the sum of its proper divisors (4918295).

113120233 is an equidigital number, since it uses as much as digits as its factorization.

113120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918294.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113120233 is about 10635.7995938246. The cubic root of 113120233 is about 483.6302200843.

Adding to 113120233 its reverse (332021311), we get a palindrome (445141544).

The spelling of 113120233 in words is "one hundred thirteen million, one hundred twenty thousand, two hundred thirty-three".