12423173 has 16 divisors (see below), whose sum is σ = 14678400. Its totient is φ = 10293696.

The previous prime is 12423167. The next prime is 12423211. The reversal of 12423173 is 37132421.

It is not a de Polignac number, because 12423173 - 2⁶ = 12423109 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 (12423113) 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, 44711 + ... + 44987.

It is an arithmetic number, because the mean of its divisors is an integer number (917400).

Almost surely, 2^12423173 is an apocalyptic number.

It is an amenable number.

12423173 is a deficient number, since it is larger than the sum of its proper divisors (2255227).

12423173 is a wasteful number, since it uses less digits than its factorization.

12423173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 1008, while the sum is 23.

The square root of 12423173 is about 3524.6521814216. The cubic root of 12423173 is about 231.6029984508.

Adding to 12423173 its reverse (37132421), we get a palindrome (49555594).

The spelling of 12423173 in words is "twelve million, four hundred twenty-three thousand, one hundred seventy-three".