313022123 has 2 divisors, whose sum is σ = 313022124. Its totient is φ = 313022122.

The previous prime is 313022117. The next prime is 313022141. The reversal of 313022123 is 321220313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313022123 - 2²² = 308827819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (313022153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156511061 + 156511062.

It is an arithmetic number, because the mean of its divisors is an integer number (156511062).

Almost surely, 2^313022123 is an apocalyptic number.

313022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

313022123 is an equidigital number, since it uses as much as digits as its factorization.

313022123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313022123 is about 17692.4312348529. The cubic root of 313022123 is about 678.9821298247.

Adding to 313022123 its reverse (321220313), we get a palindrome (634242436).

The spelling of 313022123 in words is "three hundred thirteen million, twenty-two thousand, one hundred twenty-three".