113211023 has 2 divisors, whose sum is σ = 113211024. Its totient is φ = 113211022.

The previous prime is 113211019. The next prime is 113211031. The reversal of 113211023 is 320112311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113211023 - 2² = 113211019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113210989 and 113211007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113211073) 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 as a sum of consecutive naturals, namely, 56605511 + 56605512.

It is an arithmetic number, because the mean of its divisors is an integer number (56605512).

Almost surely, 2^113211023 is an apocalyptic number.

113211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

113211023 is an equidigital number, since it uses as much as digits as its factorization.

113211023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113211023 is about 10640.0668700906. The cubic root of 113211023 is about 483.7595722633.

Adding to 113211023 its reverse (320112311), we get a palindrome (433323334).

The spelling of 113211023 in words is "one hundred thirteen million, two hundred eleven thousand, twenty-three".