113423222231 has 4 divisors (see below), whose sum is σ = 123734424264. Its totient is φ = 103112020200.

The previous prime is 113423222221. The next prime is 113423222239. The reversal of 113423222231 is 132222324311.

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-113423222231 is a prime.

It is a super-2 number, since 2×113423222231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113423222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113423222239) 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, 5155601000 + ... + 5155601021.

It is an arithmetic number, because the mean of its divisors is an integer number (30933606066).

Almost surely, 2^113423222231 is an apocalyptic number.

113423222231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113423222231 is a deficient number, since it is larger than the sum of its proper divisors (10311202033).

113423222231 is a wasteful number, since it uses less digits than its factorization.

113423222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311202032.

The product of its digits is 3456, while the sum is 26.

Adding to 113423222231 its reverse (132222324311), we get a palindrome (245645546542).

The spelling of 113423222231 in words is "one hundred thirteen billion, four hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-one".