12303432142 has 4 divisors (see below), whose sum is σ = 18455148216. Its totient is φ = 6151716070.

The previous prime is 12303432139. The next prime is 12303432143. The reversal of 12303432142 is 24123430321.

12303432142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303432143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075858034 + ... + 3075858037.

It is an arithmetic number, because the mean of its divisors is an integer number (4613787054).

Almost surely, 2^12303432142 is an apocalyptic number.

12303432142 is a deficient number, since it is larger than the sum of its proper divisors (6151716074).

12303432142 is an equidigital number, since it uses as much as digits as its factorization.

12303432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151716073.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12303432142 its reverse (24123430321), we get a palindrome (36426862463).

The spelling of 12303432142 in words is "twelve billion, three hundred three million, four hundred thirty-two thousand, one hundred forty-two".