113233309 has 4 divisors (see below), whose sum is σ = 129409504. Its totient is φ = 97057116.

The previous prime is 113233279. The next prime is 113233321. The reversal of 113233309 is 903332311.

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: 903332311 = 7 ⋅129047473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113233309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113233339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8088087 + ... + 8088100.

It is an arithmetic number, because the mean of its divisors is an integer number (32352376).

Almost surely, 2^113233309 is an apocalyptic number.

It is an amenable number.

113233309 is a deficient number, since it is larger than the sum of its proper divisors (16176195).

113233309 is an equidigital number, since it uses as much as digits as its factorization.

113233309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16176194.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 113233309 is about 10641.1140864103. The cubic root of 113233309 is about 483.7913134553.

The spelling of 113233309 in words is "one hundred thirteen million, two hundred thirty-three thousand, three hundred nine".