12023142 has 8 divisors (see below), whose sum is σ = 24046296. Its totient is φ = 4007712.

The previous prime is 12023119. The next prime is 12023153. The reversal of 12023142 is 24132021.

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

12023142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001923 + ... + 1001934.

It is an arithmetic number, because the mean of its divisors is an integer number (3005787).

Almost surely, 2^12023142 is an apocalyptic number.

12023142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12023142 is a wasteful number, since it uses less digits than its factorization.

12023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003862.

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

The square root of 12023142 is about 3467.4402662483. The cubic root of 12023142 is about 229.0899260992.

Adding to 12023142 its reverse (24132021), we get a palindrome (36155163).

The spelling of 12023142 in words is "twelve million, twenty-three thousand, one hundred forty-two".