312122023 has 6 divisors (see below), whose sum is σ = 331562456. Its totient is φ = 293761632.

The previous prime is 312122009. The next prime is 312122051. The reversal of 312122023 is 320221213.

It is not a de Polignac number, because 312122023 - 2¹³ = 312113831 is a prime.

It is a super-2 number, since 2×312122023² = 194840314483225058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312121988 and 312122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312122093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539715 + ... + 540292.

Almost surely, 2^312122023 is an apocalyptic number.

312122023 is a deficient number, since it is larger than the sum of its proper divisors (19440433).

312122023 is a wasteful number, since it uses less digits than its factorization.

312122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080041 (or 1080024 counting only the distinct ones).

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

The square root of 312122023 is about 17666.9754910115. The cubic root of 312122023 is about 678.3306971198.

Adding to 312122023 its reverse (320221213), we get a palindrome (632343236).

The spelling of 312122023 in words is "three hundred twelve million, one hundred twenty-two thousand, twenty-three".