315204423 has 4 divisors (see below), whose sum is σ = 420272568. Its totient is φ = 210136280.

The previous prime is 315204377. The next prime is 315204431. The reversal of 315204423 is 324402513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324402513 = 3 ⋅108134171.

It is a cyclic number.

It is not a de Polignac number, because 315204423 - 2¹⁴ = 315188039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315204393 and 315204402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315204473) 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, 52534068 + ... + 52534073.

It is an arithmetic number, because the mean of its divisors is an integer number (105068142).

Almost surely, 2^315204423 is an apocalyptic number.

315204423 is a deficient number, since it is larger than the sum of its proper divisors (105068145).

315204423 is a wasteful number, since it uses less digits than its factorization.

315204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105068144.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 315204423 is about 17753.9973808717. The cubic root of 315204423 is about 680.5563663200.

Adding to 315204423 its reverse (324402513), we get a palindrome (639606936).

The spelling of 315204423 in words is "three hundred fifteen million, two hundred four thousand, four hundred twenty-three".