42143423334430 has 48 divisors (see below), whose sum is σ = 83912376875040. Its totient is φ = 15227270435520.

The previous prime is 42143423334377. The next prime is 42143423334437. The reversal of 42143423334430 is 3443332434124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143423334437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110731290 + ... + 111111229.

It is an arithmetic number, because the mean of its divisors is an integer number (1748174518230).

Almost surely, 2^{42143423334430} is an apocalyptic number.

42143423334430 is a deficient number, since it is larger than the sum of its proper divisors (41768953540610).

42143423334430 is a wasteful number, since it uses less digits than its factorization.

42143423334430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221842705 (or 221842694 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 42143423334430 its reverse (3443332434124), we get a palindrome (45586755768554).

The spelling of 42143423334430 in words is "forty-two trillion, one hundred forty-three billion, four hundred twenty-three million, three hundred thirty-four thousand, four hundred thirty".