315105523423 has 4 divisors (see below), whose sum is σ = 315752557840. Its totient is φ = 314458489008.

The previous prime is 315105523399. The next prime is 315105523451. The reversal of 315105523423 is 324325501513.

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

It is a cyclic number.

It is not a de Polignac number, because 315105523423 - 2¹⁷ = 315105392351 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 (315105523483) 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, 323516478 + ... + 323517451.

It is an arithmetic number, because the mean of its divisors is an integer number (78938139460).

Almost surely, 2^315105523423 is an apocalyptic number.

315105523423 is a deficient number, since it is larger than the sum of its proper divisors (647034417).

315105523423 is an equidigital number, since it uses as much as digits as its factorization.

315105523423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647034416.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 315105523423 in words is "three hundred fifteen billion, one hundred five million, five hundred twenty-three thousand, four hundred twenty-three".