313122204140023 has 4 divisors (see below), whose sum is σ = 313467432590920. Its totient is φ = 312776975689128.

The previous prime is 313122204139999. The next prime is 313122204140051. The reversal of 313122204140023 is 320041402221313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313122204140023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313122204139973 and 313122204140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122204141023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172614224088 + ... + 172614225901.

It is an arithmetic number, because the mean of its divisors is an integer number (78366858147730).

Almost surely, 2^{313122204140023} is an apocalyptic number.

313122204140023 is a deficient number, since it is larger than the sum of its proper divisors (345228450897).

313122204140023 is an equidigital number, since it uses as much as digits as its factorization.

313122204140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345228450896.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 313122204140023 its reverse (320041402221313), we get a palindrome (633163606361336).

The spelling of 313122204140023 in words is "three hundred thirteen trillion, one hundred twenty-two billion, two hundred four million, one hundred forty thousand, twenty-three".