312523343 has 16 divisors (see below), whose sum is σ = 371260800. Its totient is φ = 259872480.

The previous prime is 312523339. The next prime is 312523373. The reversal of 312523343 is 343325213.

It is a happy number.

It is not a de Polignac number, because 312523343 - 2² = 312523339 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 (312523373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19721 + ... + 31842.

It is an arithmetic number, because the mean of its divisors is an integer number (23203800).

Almost surely, 2^312523343 is an apocalyptic number.

312523343 is a deficient number, since it is larger than the sum of its proper divisors (58737457).

312523343 is a wasteful number, since it uses less digits than its factorization.

312523343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51622.

The product of its digits is 6480, while the sum is 26.

The square root of 312523343 is about 17678.3297570783. The cubic root of 312523343 is about 678.6213004348.

Adding to 312523343 its reverse (343325213), we get a palindrome (655848556).

The spelling of 312523343 in words is "three hundred twelve million, five hundred twenty-three thousand, three hundred forty-three".