12442623 has 8 divisors (see below), whose sum is σ = 17566128. Its totient is φ = 7807104.

The previous prime is 12442607. The next prime is 12442627. The reversal of 12442623 is 32624421.

12442623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12442623 - 2⁴ = 12442607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12442593 and 12442602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442627) 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, 121936 + ... + 122037.

It is an arithmetic number, because the mean of its divisors is an integer number (2195766).

Almost surely, 2^12442623 is an apocalyptic number.

12442623 is a deficient number, since it is larger than the sum of its proper divisors (5123505).

12442623 is a wasteful number, since it uses less digits than its factorization.

12442623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243993.

The product of its digits is 2304, while the sum is 24.

The square root of 12442623 is about 3527.4102398218. The cubic root of 12442623 is about 231.7238030549.

The spelling of 12442623 in words is "twelve million, four hundred forty-two thousand, six hundred twenty-three".