12423000 has 128 divisors (see below), whose sum is σ = 40098240. Its totient is φ = 3200000.

The previous prime is 12422999. The next prime is 12423011. The reversal of 12423000 is 32421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122950 + ... + 123050.

Almost surely, 2^12423000 is an apocalyptic number.

12423000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20049120).

12423000 is an abundant number, since it is smaller than the sum of its proper divisors (27675240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423000 is a wasteful number, since it uses less digits than its factorization.

12423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12423000 is about 3524.6276399075. The cubic root of 12423000 is about 231.6019233765.

Adding to 12423000 its reverse (32421), we get a palindrome (12455421).

The spelling of 12423000 in words is "twelve million, four hundred twenty-three thousand".