113234321 has 4 divisors (see below), whose sum is σ = 113262144. Its totient is φ = 113206500.

The previous prime is 113234311. The next prime is 113234339. The reversal of 113234321 is 123432311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123432311 = 107 ⋅1153573.

It is a cyclic number.

It is not a de Polignac number, because 113234321 - 2⁶ = 113234257 is a prime.

It is a super-2 number, since 2×113234321² = 25644022904662082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113234293 and 113234302.

It is not an unprimeable number, because it can be changed into a prime (113234311) 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, 6485 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (28315536).

Almost surely, 2^113234321 is an apocalyptic number.

It is an amenable number.

113234321 is a deficient number, since it is larger than the sum of its proper divisors (27823).

113234321 is an equidigital number, since it uses as much as digits as its factorization.

113234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27822.

The product of its digits is 432, while the sum is 20.

The square root of 113234321 is about 10641.1616377161. The cubic root of 113234321 is about 483.7927547137.

Adding to 113234321 its reverse (123432311), we get a palindrome (236666632).

It can be divided in two parts, 1132 and 34321, that added together give a palindrome (35453).

The spelling of 113234321 in words is "one hundred thirteen million, two hundred thirty-four thousand, three hundred twenty-one".