12423340 has 24 divisors (see below), whose sum is σ = 27462960. Its totient is φ = 4707648.

The previous prime is 12423263. The next prime is 12423347. The reversal of 12423340 is 4332421.

12423340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12423347) 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, 15967 + ... + 16726.

It is an arithmetic number, because the mean of its divisors is an integer number (1144290).

Almost surely, 2^12423340 is an apocalyptic number.

12423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423340 is an abundant number, since it is smaller than the sum of its proper divisors (15039620).

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

12423340 is a wasteful number, since it uses less digits than its factorization.

12423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721 (or 32719 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12423340 is about 3524.6758716228. The cubic root of 12423340 is about 231.6040362299.

Adding to 12423340 its reverse (4332421), we get a palindrome (16755761).

The spelling of 12423340 in words is "twelve million, four hundred twenty-three thousand, three hundred forty".