423055344000 has 128 divisors (see below), whose sum is σ = 1402428624480. Its totient is φ = 112814745600.

The previous prime is 423055343987. The next prime is 423055344001. The reversal of 423055344000 is 443550324.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423055344001) 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, 4358827 + ... + 4454826.

Almost surely, 2^423055344000 is an apocalyptic number.

423055344000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423055344000 is an abundant number, since it is smaller than the sum of its proper divisors (979373280480).

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

423055344000 is an equidigital number, since it uses as much as digits as its factorization.

423055344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813685 (or 8813663 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 423055344000 its reverse (443550324), we get a palindrome (423498894324).

The spelling of 423055344000 in words is "four hundred twenty-three billion, fifty-five million, three hundred forty-four thousand".