315642823 has 8 divisors (see below), whose sum is σ = 331190496. Its totient is φ = 300247200.

The previous prime is 315642799. The next prime is 315642851. The reversal of 315642823 is 328246513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315642823 - 2⁹ = 315642311 is a prime.

It is a super-2 number, since 2×315642823² = 199260783422818658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315642863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33748 + ... + 42073.

It is an arithmetic number, because the mean of its divisors is an integer number (41398812).

Almost surely, 2^315642823 is an apocalyptic number.

315642823 is a deficient number, since it is larger than the sum of its proper divisors (15547673).

315642823 is a wasteful number, since it uses less digits than its factorization.

315642823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76025.

The product of its digits is 34560, while the sum is 34.

The square root of 315642823 is about 17766.3396061203. The cubic root of 315642823 is about 680.8717359382.

The spelling of 315642823 in words is "three hundred fifteen million, six hundred forty-two thousand, eight hundred twenty-three".