12303142 has 8 divisors (see below), whose sum is σ = 18520776. Its totient is φ = 6129552.

The previous prime is 12303139. The next prime is 12303149. The reversal of 12303142 is 24130321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303 + ... + 11434.

It is an arithmetic number, because the mean of its divisors is an integer number (2315097).

Almost surely, 2^12303142 is an apocalyptic number.

12303142 is a deficient number, since it is larger than the sum of its proper divisors (6217634).

12303142 is a wasteful number, since it uses less digits than its factorization.

12303142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12303142 is about 3507.5834986497. The cubic root of 12303142 is about 230.8546776853.

Adding to 12303142 its reverse (24130321), we get a palindrome (36433463).

The spelling of 12303142 in words is "twelve million, three hundred three thousand, one hundred forty-two".