312873703 has 4 divisors (see below), whose sum is σ = 329340760. Its totient is φ = 296406648.

The previous prime is 312873679. The next prime is 312873713. The reversal of 312873703 is 307378213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307378213 = 13879 ⋅22147.

It is a cyclic number.

It is not a de Polignac number, because 312873703 - 2¹⁷ = 312742631 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 (312873713) 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, 8233500 + ... + 8233537.

It is an arithmetic number, because the mean of its divisors is an integer number (82335190).

Almost surely, 2^312873703 is an apocalyptic number.

312873703 is a deficient number, since it is larger than the sum of its proper divisors (16467057).

312873703 is a wasteful number, since it uses less digits than its factorization.

312873703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16467056.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 312873703 is about 17688.2362885620. The cubic root of 312873703 is about 678.8747993284.

The spelling of 312873703 in words is "three hundred twelve million, eight hundred seventy-three thousand, seven hundred three".