315523023 has 8 divisors (see below), whose sum is σ = 422900736. Its totient is φ = 209247000.

The previous prime is 315522997. The next prime is 315523031. The reversal of 315523023 is 320325513.

It is a happy number.

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

It is not a de Polignac number, because 315523023 - 2¹⁶ = 315457487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315522984 and 315523002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315523073) 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, 274753 + ... + 275898.

It is an arithmetic number, because the mean of its divisors is an integer number (52862592).

Almost surely, 2^315523023 is an apocalyptic number.

315523023 is a deficient number, since it is larger than the sum of its proper divisors (107377713).

315523023 is a wasteful number, since it uses less digits than its factorization.

315523023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550845.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 315523023 is about 17762.9677419062. The cubic root of 315523023 is about 680.7855850215.

Adding to 315523023 its reverse (320325513), we get a palindrome (635848536).

The spelling of 315523023 in words is "three hundred fifteen million, five hundred twenty-three thousand, twenty-three".