313432123 has 4 divisors (see below), whose sum is σ = 316663480. Its totient is φ = 310200768.

The previous prime is 313432121. The next prime is 313432139. The reversal of 313432123 is 321234313.

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

It is a cyclic number.

It is not a de Polignac number, because 313432123 - 2¹ = 313432121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313432094 and 313432103.

It is not an unprimeable number, because it can be changed into a prime (313432121) 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, 1615533 + ... + 1615726.

It is an arithmetic number, because the mean of its divisors is an integer number (79165870).

Almost surely, 2^313432123 is an apocalyptic number.

313432123 is a deficient number, since it is larger than the sum of its proper divisors (3231357).

313432123 is an equidigital number, since it uses as much as digits as its factorization.

313432123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231356.

The product of its digits is 1296, while the sum is 22.

The square root of 313432123 is about 17704.0143187922. The cubic root of 313432123 is about 679.2784467069.

Adding to 313432123 its reverse (321234313), we get a palindrome (634666436).

The spelling of 313432123 in words is "three hundred thirteen million, four hundred thirty-two thousand, one hundred twenty-three".