312330013123 has 4 divisors (see below), whose sum is σ = 314055593488. Its totient is φ = 310604432760.

The previous prime is 312330013109. The next prime is 312330013141. The reversal of 312330013123 is 321310033213.

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 312330013123 - 2⁵ = 312330013091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312330013094 and 312330013103.

It is not an unprimeable number, because it can be changed into a prime (312330013153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862789911 + ... + 862790272.

It is an arithmetic number, because the mean of its divisors is an integer number (78513898372).

Almost surely, 2^312330013123 is an apocalyptic number.

312330013123 is a deficient number, since it is larger than the sum of its proper divisors (1725580365).

312330013123 is a wasteful number, since it uses less digits than its factorization.

312330013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725580364.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312330013123 its reverse (321310033213), we get a palindrome (633640046336).

The spelling of 312330013123 in words is "three hundred twelve billion, three hundred thirty million, thirteen thousand, one hundred twenty-three".