113229623 has 4 divisors (see below), whose sum is σ = 121939608. Its totient is φ = 104519640.

The previous prime is 113229617. The next prime is 113229629. The reversal of 113229623 is 326922311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326922311 = 31 ⋅10545881.

It is an interprime number because it is at equal distance from previous prime (113229617) and next prime (113229629).

It is a cyclic number.

It is not a de Polignac number, because 113229623 - 2⁶ = 113229559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113229629) 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, 4354973 + ... + 4354998.

It is an arithmetic number, because the mean of its divisors is an integer number (30484902).

Almost surely, 2^113229623 is an apocalyptic number.

113229623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113229623 is a deficient number, since it is larger than the sum of its proper divisors (8709985).

113229623 is an equidigital number, since it uses as much as digits as its factorization.

113229623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709984.

The product of its digits is 3888, while the sum is 29.

The square root of 113229623 is about 10640.9408888500. The cubic root of 113229623 is about 483.7860638983.

The spelling of 113229623 in words is "one hundred thirteen million, two hundred twenty-nine thousand, six hundred twenty-three".