113545123 has 4 divisors (see below), whose sum is σ = 113586408. Its totient is φ = 113503840.

The previous prime is 113545111. The next prime is 113545129. The reversal of 113545123 is 321545311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113545123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113545129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16198 + ... + 22123.

It is an arithmetic number, because the mean of its divisors is an integer number (28396602).

Almost surely, 2^113545123 is an apocalyptic number.

113545123 is a deficient number, since it is larger than the sum of its proper divisors (41285).

113545123 is an equidigital number, since it uses as much as digits as its factorization.

113545123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41284.

The product of its digits is 1800, while the sum is 25.

The square root of 113545123 is about 10655.7553932136. The cubic root of 113545123 is about 484.2349833966.

The spelling of 113545123 in words is "one hundred thirteen million, five hundred forty-five thousand, one hundred twenty-three".