12923523 has 16 divisors (see below), whose sum is σ = 19201440. Its totient is φ = 8590752.

The previous prime is 12923509. The next prime is 12923527. The reversal of 12923523 is 32532921.

It is not a de Polignac number, because 12923523 - 2⁴ = 12923507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12923527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17265 + ... + 17997.

It is an arithmetic number, because the mean of its divisors is an integer number (1200090).

Almost surely, 2^12923523 is an apocalyptic number.

12923523 is a deficient number, since it is larger than the sum of its proper divisors (6277917).

12923523 is an equidigital number, since it uses as much as digits as its factorization.

12923523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 12923523 is about 3594.9301801287. The cubic root of 12923523 is about 234.6714769679.

The spelling of 12923523 in words is "twelve million, nine hundred twenty-three thousand, five hundred twenty-three".