113233909 has 2 divisors, whose sum is σ = 113233910. Its totient is φ = 113233908.

The previous prime is 113233871. The next prime is 113233931. The reversal of 113233909 is 909332311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84235684 + 28998225 = 9178^2 + 5385^2 .

It is a cyclic number.

It is not a de Polignac number, because 113233909 - 2¹¹ = 113231861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113233409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56616954 + 56616955.

It is an arithmetic number, because the mean of its divisors is an integer number (56616955).

Almost surely, 2^113233909 is an apocalyptic number.

It is an amenable number.

113233909 is a deficient number, since it is larger than the sum of its proper divisors (1).

113233909 is an equidigital number, since it uses as much as digits as its factorization.

113233909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 113233909 is about 10641.1422789097. The cubic root of 113233909 is about 483.7921679574.

The spelling of 113233909 in words is "one hundred thirteen million, two hundred thirty-three thousand, nine hundred nine".