23839142142 has 16 divisors (see below), whose sum is σ = 47687461632. Its totient is φ = 7944851160.

The previous prime is 23839142137. The next prime is 23839142161. The reversal of 23839142142 is 24124193832.

It is a self number, because there is not a number n which added to its sum of digits gives 23839142142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348388 + ... + 411159.

It is an arithmetic number, because the mean of its divisors is an integer number (2980466352).

Almost surely, 2^23839142142 is an apocalyptic number.

23839142142 is an abundant number, since it is smaller than the sum of its proper divisors (23848319490).

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

23839142142 is a wasteful number, since it uses less digits than its factorization.

23839142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764783.

The product of its digits is 82944, while the sum is 39.

The spelling of 23839142142 in words is "twenty-three billion, eight hundred thirty-nine million, one hundred forty-two thousand, one hundred forty-two".