113523133 has 2 divisors, whose sum is σ = 113523134. Its totient is φ = 113523132.

The previous prime is 113523097. The next prime is 113523199. The reversal of 113523133 is 331325311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 887364 = 10613^2 + 942^2 .

It is an emirp because it is prime and its reverse (331325311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113523133 is a prime.

It is a super-2 number, since 2×113523133² = 25775003452271378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113503133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56761566 + 56761567.

It is an arithmetic number, because the mean of its divisors is an integer number (56761567).

Almost surely, 2^113523133 is an apocalyptic number.

It is an amenable number.

113523133 is a deficient number, since it is larger than the sum of its proper divisors (1).

113523133 is an equidigital number, since it uses as much as digits as its factorization.

113523133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 22.

The square root of 113523133 is about 10654.7235065017. The cubic root of 113523133 is about 484.2037211856.

Adding to 113523133 its reverse (331325311), we get a palindrome (444848444).

The spelling of 113523133 in words is "one hundred thirteen million, five hundred twenty-three thousand, one hundred thirty-three".