243320023142 has 24 divisors (see below), whose sum is σ = 424894674096. Its totient is φ = 104199924528.

The previous prime is 243320023139. The next prime is 243320023153. The reversal of 243320023142 is 241320023342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825053 + ... + 1080440.

It is an arithmetic number, because the mean of its divisors is an integer number (17703944754).

Almost surely, 2^243320023142 is an apocalyptic number.

243320023142 is a deficient number, since it is larger than the sum of its proper divisors (181574650954).

243320023142 is a wasteful number, since it uses less digits than its factorization.

243320023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906812 (or 1906805 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243320023142 its reverse (241320023342), we get a palindrome (484640046484).

The spelling of 243320023142 in words is "two hundred forty-three billion, three hundred twenty million, twenty-three thousand, one hundred forty-two".