12313243232040 has 64 divisors (see below), whose sum is σ = 36943674989760. Its totient is φ = 3283180835840.

The previous prime is 12313243231951. The next prime is 12313243232057. The reversal of 12313243232040 is 4023234231321.

It is a happy number.

It is a super-3 number, since 3×12313243232040³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12313243231989 and 12313243232007.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4350369 + ... + 6599408.

It is an arithmetic number, because the mean of its divisors is an integer number (577244921715).

Almost surely, 2^{12313243232040} is an apocalyptic number.

12313243232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313243232040 is an abundant number, since it is smaller than the sum of its proper divisors (24630431757720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313243232040 is a wasteful number, since it uses less digits than its factorization.

12313243232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959162 (or 10959158 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 12313243232040 its reverse (4023234231321), we get a palindrome (16336477463361).

The spelling of 12313243232040 in words is "twelve trillion, three hundred thirteen billion, two hundred forty-three million, two hundred thirty-two thousand, forty".