113523901 has 2 divisors, whose sum is σ = 113523902. Its totient is φ = 113523900.

The previous prime is 113523889. The next prime is 113523911. The reversal of 113523901 is 109325311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 18071001 = 9770^2 + 4251^2 .

It is a cyclic number.

It is not a de Polignac number, because 113523901 - 2¹¹ = 113521853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113523911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56761950 + 56761951.

It is an arithmetic number, because the mean of its divisors is an integer number (56761951).

Almost surely, 2^113523901 is an apocalyptic number.

It is an amenable number.

113523901 is a deficient number, since it is larger than the sum of its proper divisors (1).

113523901 is an equidigital number, since it uses as much as digits as its factorization.

113523901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 113523901 is about 10654.7595467941. The cubic root of 113523901 is about 484.2048130853.

The spelling of 113523901 in words is "one hundred thirteen million, five hundred twenty-three thousand, nine hundred one".