423484387872 has 144 divisors (see below), whose sum is σ = 1392612322752. Its totient is φ = 111688174080.

The previous prime is 423484387871. The next prime is 423484387897. The reversal of 423484387872 is 278783484324.

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

It is not an unprimeable number, because it can be changed into a prime (423484387871) 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, 3401404 + ... + 3523707.

It is an arithmetic number, because the mean of its divisors is an integer number (9670918908).

Almost surely, 2^423484387872 is an apocalyptic number.

423484387872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423484387872 is an abundant number, since it is smaller than the sum of its proper divisors (969127934880).

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

423484387872 is a wasteful number, since it uses less digits than its factorization.

423484387872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925151 (or 6925136 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 60.

The spelling of 423484387872 in words is "four hundred twenty-three billion, four hundred eighty-four million, three hundred eighty-seven thousand, eight hundred seventy-two".