12120423 has 32 divisors (see below), whose sum is σ = 19991040. Its totient is φ = 6376320.

The previous prime is 12120419. The next prime is 12120431. The reversal of 12120423 is 32402121.

12120423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120423 - 2² = 12120419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14353 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (624720).

Almost surely, 2^12120423 is an apocalyptic number.

12120423 is a deficient number, since it is larger than the sum of its proper divisors (7870617).

12120423 is a wasteful number, since it uses less digits than its factorization.

12120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12120423 is about 3481.4397883634. The cubic root of 12120423 is about 229.7061338300.

Adding to 12120423 its reverse (32402121), we get a palindrome (44522544).

The spelling of 12120423 in words is "twelve million, one hundred twenty thousand, four hundred twenty-three".