315423505 has 8 divisors (see below), whose sum is σ = 382256424. Its totient is φ = 249840000.

The previous prime is 315423487. The next prime is 315423529. The reversal of 315423505 is 505324513.

It can be written as a sum of positive squares in 4 ways, for example, as 36433296 + 278990209 = 6036^2 + 16703^2 .

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

It is not a de Polignac number, because 315423505 - 2⁷ = 315423377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311796 + ... + 312805.

It is an arithmetic number, because the mean of its divisors is an integer number (47782053).

Almost surely, 2^315423505 is an apocalyptic number.

It is an amenable number.

315423505 is a deficient number, since it is larger than the sum of its proper divisors (66832919).

315423505 is a wasteful number, since it uses less digits than its factorization.

315423505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624707.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 315423505 is about 17760.1662435913. The cubic root of 315423505 is about 680.7140027711.

The spelling of 315423505 in words is "three hundred fifteen million, four hundred twenty-three thousand, five hundred five".