312447423 has 4 divisors (see below), whose sum is σ = 416596568. Its totient is φ = 208298280.

The previous prime is 312447407. The next prime is 312447431. The reversal of 312447423 is 324744213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312447423 - 2⁴ = 312447407 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 (312447463) 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, 52074568 + ... + 52074573.

It is an arithmetic number, because the mean of its divisors is an integer number (104149142).

Almost surely, 2^312447423 is an apocalyptic number.

312447423 is a deficient number, since it is larger than the sum of its proper divisors (104149145).

312447423 is a wasteful number, since it uses less digits than its factorization.

312447423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104149144.

The product of its digits is 16128, while the sum is 30.

The square root of 312447423 is about 17676.1823649792. The cubic root of 312447423 is about 678.5663444315.

The spelling of 312447423 in words is "three hundred twelve million, four hundred forty-seven thousand, four hundred twenty-three".