12423234 has 16 divisors (see below), whose sum is σ = 24881472. Its totient is φ = 4135248.

The previous prime is 12423233. The next prime is 12423239. The reversal of 12423234 is 43232421.

It is a self number, because there is not a number n which added to its sum of digits gives 12423234.

It is not an unprimeable number, because it can be changed into a prime (12423233) 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, 6492 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (1555092).

Almost surely, 2^12423234 is an apocalyptic number.

12423234 is an abundant number, since it is smaller than the sum of its proper divisors (12458238).

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

12423234 is a wasteful number, since it uses less digits than its factorization.

12423234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its digits is 1152, while the sum is 21.

The square root of 12423234 is about 3524.6608347471. The cubic root of 12423234 is about 231.6033775209.

Adding to 12423234 its reverse (43232421), we get a palindrome (55655655).

The spelling of 12423234 in words is "twelve million, four hundred twenty-three thousand, two hundred thirty-four".