312023122322 has 4 divisors (see below), whose sum is σ = 468034683486. Its totient is φ = 156011561160.

The previous prime is 312023122277. The next prime is 312023122391. The reversal of 312023122322 is 223221320213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223221320213 = 59 ⋅3783412207.

It can be written as a sum of positive squares in only one way, i.e., 305630959921 + 6392162401 = 552839^2 + 79951^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78005780579 + ... + 78005780582.

Almost surely, 2^312023122322 is an apocalyptic number.

312023122322 is a deficient number, since it is larger than the sum of its proper divisors (156011561164).

312023122322 is a wasteful number, since it uses less digits than its factorization.

312023122322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156011561163.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312023122322 its reverse (223221320213), we get a palindrome (535244442535).

The spelling of 312023122322 in words is "three hundred twelve billion, twenty-three million, one hundred twenty-two thousand, three hundred twenty-two".