113423223131 has 8 divisors (see below), whose sum is σ = 114796365264. Its totient is φ = 112050238240.

The previous prime is 113423223107. The next prime is 113423223197. The reversal of 113423223131 is 131322324311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113423223131 is a prime.

It is a super-2 number, since 2×113423223131² (a number of 23 digits) contains 22 as substring.

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 113423223131.

It is not an unprimeable number, because it can be changed into a prime (113423213131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133485 + ... + 2186001.

It is an arithmetic number, because the mean of its divisors is an integer number (14349545658).

Almost surely, 2^113423223131 is an apocalyptic number.

113423223131 is a deficient number, since it is larger than the sum of its proper divisors (1373142133).

113423223131 is an equidigital number, since it uses as much as digits as its factorization.

113423223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78621.

The product of its digits is 2592, while the sum is 26.

Adding to 113423223131 its reverse (131322324311), we get a palindrome (244745547442).

The spelling of 113423223131 in words is "one hundred thirteen billion, four hundred twenty-three million, two hundred twenty-three thousand, one hundred thirty-one".