312453166973 has 4 divisors (see below), whose sum is σ = 323227414140. Its totient is φ = 301678919808.

The previous prime is 312453166967. The next prime is 312453167009. The reversal of 312453166973 is 379661354213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379661354213 = 59 ⋅6434938207.

It can be written as a sum of positive squares in 2 ways, for example, as 202893490969 + 109559676004 = 450437^2 + 330998^2 .

It is a cyclic number.

It is not a de Polignac number, because 312453166973 - 2¹⁴ = 312453150589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312453066973) 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, 5387123540 + ... + 5387123597.

It is an arithmetic number, because the mean of its divisors is an integer number (80806853535).

Almost surely, 2^312453166973 is an apocalyptic number.

It is an amenable number.

312453166973 is a deficient number, since it is larger than the sum of its proper divisors (10774247167).

312453166973 is a wasteful number, since it uses less digits than its factorization.

312453166973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10774247166.

The product of its digits is 2449440, while the sum is 50.

The spelling of 312453166973 in words is "three hundred twelve billion, four hundred fifty-three million, one hundred sixty-six thousand, nine hundred seventy-three".