312000122323 has 4 divisors (see below), whose sum is σ = 315949491040. Its totient is φ = 308050753608.

The previous prime is 312000122293. The next prime is 312000122339. The reversal of 312000122323 is 323221000213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323221000213 = 173 ⋅1868329481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312000122323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312000122323.

It is not an unprimeable number, because it can be changed into a prime (312000122363) 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, 1974684240 + ... + 1974684397.

It is an arithmetic number, because the mean of its divisors is an integer number (78987372760).

Almost surely, 2^312000122323 is an apocalyptic number.

312000122323 is a deficient number, since it is larger than the sum of its proper divisors (3949368717).

312000122323 is an equidigital number, since it uses as much as digits as its factorization.

312000122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949368716.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312000122323 its reverse (323221000213), we get a palindrome (635221122536).

The spelling of 312000122323 in words is "three hundred twelve billion, one hundred twenty-two thousand, three hundred twenty-three".