113321123 has 8 divisors (see below), whose sum is σ = 116435760. Its totient is φ = 110246400.

The previous prime is 113321113. The next prime is 113321189. The reversal of 113321123 is 321123311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113321123 - 2⁴ = 113321107 is a prime.

It is a super-2 number, since 2×113321123² = 25683353835962258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113321113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4178 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (14554470).

Almost surely, 2^113321123 is an apocalyptic number.

113321123 is a deficient number, since it is larger than the sum of its proper divisors (3114637).

113321123 is an equidigital number, since it uses as much as digits as its factorization.

113321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19957.

The product of its digits is 108, while the sum is 17.

The square root of 113321123 is about 10645.2394524501. The cubic root of 113321123 is about 483.9163434290.

Adding to 113321123 its reverse (321123311), we get a palindrome (434444434).

The spelling of 113321123 in words is "one hundred thirteen million, three hundred twenty-one thousand, one hundred twenty-three".