423042131442 has 32 divisors (see below), whose sum is σ = 967180253184. Its totient is φ = 120840829200.

The previous prime is 423042131423. The next prime is 423042131459. The reversal of 423042131442 is 244131240324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999784 + ... + 1358547.

It is an arithmetic number, because the mean of its divisors is an integer number (30224382912).

Almost surely, 2^423042131442 is an apocalyptic number.

423042131442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423042131442 is an abundant number, since it is smaller than the sum of its proper divisors (544138121742).

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

423042131442 is a wasteful number, since it uses less digits than its factorization.

423042131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362614.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 423042131442 its reverse (244131240324), we get a palindrome (667173371766).

The spelling of 423042131442 in words is "four hundred twenty-three billion, forty-two million, one hundred thirty-one thousand, four hundred forty-two".