313123403 has 8 divisors (see below), whose sum is σ = 328015008. Its totient is φ = 298338304.

The previous prime is 313123333. The next prime is 313123441. The reversal of 313123403 is 304321313.

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

It is a cyclic number.

It is not a de Polignac number, because 313123403 - 2¹⁴ = 313107019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313123003) 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, 20576 + ... + 32397.

It is an arithmetic number, because the mean of its divisors is an integer number (41001876).

Almost surely, 2^313123403 is an apocalyptic number.

313123403 is a deficient number, since it is larger than the sum of its proper divisors (14891605).

313123403 is a wasteful number, since it uses less digits than its factorization.

313123403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53253.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313123403 is about 17695.2932442500. The cubic root of 313123403 is about 679.0553513743.

Adding to 313123403 its reverse (304321313), we get a palindrome (617444716).

The spelling of 313123403 in words is "three hundred thirteen million, one hundred twenty-three thousand, four hundred three".