312023122 has 16 divisors (see below), whose sum is σ = 499795200. Its totient is φ = 145771920.

The previous prime is 312023119. The next prime is 312023143. The reversal of 312023122 is 221320213.

It is a junction number, because it is equal to n+sod(n) for n = 312023096 and 312023105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84972 + ... + 88567.

It is an arithmetic number, because the mean of its divisors is an integer number (31237200).

Almost surely, 2^312023122 is an apocalyptic number.

312023122 is a deficient number, since it is larger than the sum of its proper divisors (187772078).

312023122 is a wasteful number, since it uses less digits than its factorization.

312023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173601.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312023122 is about 17664.1762332694. The cubic root of 312023122 is about 678.2590428024.

Adding to 312023122 its reverse (221320213), we get a palindrome (533343335).

The spelling of 312023122 in words is "three hundred twelve million, twenty-three thousand, one hundred twenty-two".