312303123 has 24 divisors (see below), whose sum is σ = 493586496. Its totient is φ = 188708400.

The previous prime is 312303113. The next prime is 312303137. The reversal of 312303123 is 321303213.

It is not a de Polignac number, because 312303123 - 2⁵ = 312303091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312303096 and 312303105.

It is not an unprimeable number, because it can be changed into a prime (312303113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29808 + ... + 38898.

It is an arithmetic number, because the mean of its divisors is an integer number (20566104).

Almost surely, 2^312303123 is an apocalyptic number.

312303123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

312303123 is a deficient number, since it is larger than the sum of its proper divisors (181283373).

312303123 is a wasteful number, since it uses less digits than its factorization.

312303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 312303123 is about 17672.1001298657. The cubic root of 312303123 is about 678.4618658386.

Adding to 312303123 its reverse (321303213), we get a palindrome (633606336).

The spelling of 312303123 in words is "three hundred twelve million, three hundred three thousand, one hundred twenty-three".