313140023 has 16 divisors (see below), whose sum is σ = 364738560. Its totient is φ = 263282400.

The previous prime is 313140019. The next prime is 313140029. The reversal of 313140023 is 320041313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313140023 - 2² = 313140019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313139983 and 313140010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313140029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203768 + ... + 205298.

It is an arithmetic number, because the mean of its divisors is an integer number (22796160).

Almost surely, 2^313140023 is an apocalyptic number.

313140023 is a deficient number, since it is larger than the sum of its proper divisors (51598537).

313140023 is a wasteful number, since it uses less digits than its factorization.

313140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

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

The square root of 313140023 is about 17695.7628544237. The cubic root of 313140023 is about 679.0673654878.

Adding to 313140023 its reverse (320041313), we get a palindrome (633181336).

The spelling of 313140023 in words is "three hundred thirteen million, one hundred forty thousand, twenty-three".