423123423132 has 12 divisors (see below), whose sum is σ = 987287987336. Its totient is φ = 141041141040.

The previous prime is 423123423071. The next prime is 423123423157. The reversal of 423123423132 is 231324321324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 423123423132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17630142619 + ... + 17630142642.

Almost surely, 2^423123423132 is an apocalyptic number.

It is an amenable number.

423123423132 is an abundant number, since it is smaller than the sum of its proper divisors (564164564204).

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

423123423132 is a wasteful number, since it uses less digits than its factorization.

423123423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35260285268 (or 35260285266 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 423123423132 its reverse (231324321324), we get a palindrome (654447744456).

The spelling of 423123423132 in words is "four hundred twenty-three billion, one hundred twenty-three million, four hundred twenty-three thousand, one hundred thirty-two".