12315023 has 12 divisors (see below), whose sum is σ = 14478912. Its totient is φ = 10442880.

The previous prime is 12315013. The next prime is 12315077. The reversal of 12315023 is 32051321.

It is not a de Polignac number, because 12315023 - 2⁸ = 12314767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12314992 and 12315010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3458 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 2^12315023 is an apocalyptic number.

12315023 is a deficient number, since it is larger than the sum of its proper divisors (2163889).

12315023 is an equidigital number, since it uses as much as digits as its factorization.

12315023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12315023 is about 3509.2767061034. The cubic root of 12315023 is about 230.9289649963.

Adding to 12315023 its reverse (32051321), we get a palindrome (44366344).

The spelling of 12315023 in words is "twelve million, three hundred fifteen thousand, twenty-three".