423042143120 has 80 divisors (see below), whose sum is σ = 989232903792. Its totient is φ = 168245821440.

The previous prime is 423042143089. The next prime is 423042143129. The reversal of 423042143120 is 21341240324.

It can be written as a sum of positive squares in 8 ways, for example, as 12561029776 + 410481113344 = 112076^2 + 640688^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 423042143120.

It is not an unprimeable number, because it can be changed into a prime (423042143129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10128680 + ... + 10170360.

Almost surely, 2^423042143120 is an apocalyptic number.

423042143120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423042143120 is an abundant number, since it is smaller than the sum of its proper divisors (566190760672).

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

423042143120 is a wasteful number, since it uses less digits than its factorization.

423042143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420 (or 42414 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 423042143120 its reverse (21341240324), we get a palindrome (444383383444).

The spelling of 423042143120 in words is "four hundred twenty-three billion, forty-two million, one hundred forty-three thousand, one hundred twenty".