113211723 has 4 divisors (see below), whose sum is σ = 150948968. Its totient is φ = 75474480.

The previous prime is 113211667. The next prime is 113211739. The reversal of 113211723 is 327112311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327112311 = 3 ⋅109037437.

It is not a de Polignac number, because 113211723 - 2¹⁴ = 113195339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113211723.

It is not an unprimeable number, because it can be changed into a prime (113211743) 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, 18868618 + ... + 18868623.

It is an arithmetic number, because the mean of its divisors is an integer number (37737242).

Almost surely, 2^113211723 is an apocalyptic number.

113211723 is a deficient number, since it is larger than the sum of its proper divisors (37737245).

113211723 is an equidigital number, since it uses as much as digits as its factorization.

113211723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37737244.

The product of its digits is 252, while the sum is 21.

The square root of 113211723 is about 10640.0997645699. The cubic root of 113211723 is about 483.7605693128.

The spelling of 113211723 in words is "one hundred thirteen million, two hundred eleven thousand, seven hundred twenty-three".