12313201123 has 8 divisors (see below), whose sum is σ = 13027061520. Its totient is φ = 11605920480.

The previous prime is 12313201111. The next prime is 12313201127. The reversal of 12313201123 is 32110231321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12313201123 is a prime.

It is a super-2 number, since 2×12313201123² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 12313201123.

It is not an unprimeable number, because it can be changed into a prime (12313201127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641088 + ... + 1648573.

It is an arithmetic number, because the mean of its divisors is an integer number (1628382690).

Almost surely, 2^12313201123 is an apocalyptic number.

12313201123 is a deficient number, since it is larger than the sum of its proper divisors (713860397).

12313201123 is a wasteful number, since it uses less digits than its factorization.

12313201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289877.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12313201123 its reverse (32110231321), we get a palindrome (44423432444).

The spelling of 12313201123 in words is "twelve billion, three hundred thirteen million, two hundred one thousand, one hundred twenty-three".