312123655041 has 8 divisors (see below), whose sum is σ = 453998043744. Its totient is φ = 189165851520.

The previous prime is 312123655013. The next prime is 312123655043. The reversal of 312123655041 is 140556321213.

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

It is not a de Polignac number, because 312123655041 - 2³⁰ = 311049913217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 9458292577 = 312123655041 / (3 + 1 + 2 + 1 + 2 + 3 + 6 + 5 + 5 + 0 + 4 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 312123654993 and 312123655011.

It is not an unprimeable number, because it can be changed into a prime (312123655043) 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, 4729146256 + ... + 4729146321.

It is an arithmetic number, because the mean of its divisors is an integer number (56749755468).

Almost surely, 2^312123655041 is an apocalyptic number.

It is an amenable number.

312123655041 is a deficient number, since it is larger than the sum of its proper divisors (141874388703).

312123655041 is a wasteful number, since it uses less digits than its factorization.

312123655041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458292591.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 312123655041 its reverse (140556321213), we get a palindrome (452679976254).

The spelling of 312123655041 in words is "three hundred twelve billion, one hundred twenty-three million, six hundred fifty-five thousand, forty-one".