312347453 has 4 divisors (see below), whose sum is σ = 340742688. Its totient is φ = 283952220.

The previous prime is 312347423. The next prime is 312347473. The reversal of 312347453 is 354743213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312347453 - 2¹⁴ = 312331069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312347423) 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, 14197601 + ... + 14197622.

It is an arithmetic number, because the mean of its divisors is an integer number (85185672).

Almost surely, 2^312347453 is an apocalyptic number.

It is an amenable number.

312347453 is a deficient number, since it is larger than the sum of its proper divisors (28395235).

312347453 is a wasteful number, since it uses less digits than its factorization.

312347453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28395234.

The product of its digits is 30240, while the sum is 32.

The square root of 312347453 is about 17673.3543222559. The cubic root of 312347453 is about 678.4939658395.

The spelling of 312347453 in words is "three hundred twelve million, three hundred forty-seven thousand, four hundred fifty-three".