112520423231 has 4 divisors (see below), whose sum is σ = 112528441872. Its totient is φ = 112512404592.

The previous prime is 112520423227. The next prime is 112520423233. The reversal of 112520423231 is 132324025211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112520423231 - 2² = 112520423227 is a prime.

It is a super-2 number, since 2×112520423231² (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 112520423231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112520423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988235 + ... + 4016348.

It is an arithmetic number, because the mean of its divisors is an integer number (28132110468).

Almost surely, 2^112520423231 is an apocalyptic number.

112520423231 is a deficient number, since it is larger than the sum of its proper divisors (8018641).

112520423231 is an equidigital number, since it uses as much as digits as its factorization.

112520423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018640.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 112520423231 its reverse (132324025211), we get a palindrome (244844448442).

The spelling of 112520423231 in words is "one hundred twelve billion, five hundred twenty million, four hundred twenty-three thousand, two hundred thirty-one".