113512523 has 2 divisors, whose sum is σ = 113512524. Its totient is φ = 113512522.

The previous prime is 113512507. The next prime is 113512537. The reversal of 113512523 is 325215311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113512523 - 2⁴ = 113512507 is a prime.

It is not a weakly prime, because it can be changed into another prime (113512573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56756261 + 56756262.

It is an arithmetic number, because the mean of its divisors is an integer number (56756262).

Almost surely, 2^113512523 is an apocalyptic number.

113512523 is a deficient number, since it is larger than the sum of its proper divisors (1).

113512523 is an equidigital number, since it uses as much as digits as its factorization.

113512523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 113512523 is about 10654.2255936319. The cubic root of 113512523 is about 484.1886359738.

Adding to 113512523 its reverse (325215311), we get a palindrome (438727834).

The spelling of 113512523 in words is "one hundred thirteen million, five hundred twelve thousand, five hundred twenty-three".