423324200400 has 120 divisors (see below), whose sum is σ = 1362130318080. Its totient is φ = 112380165120.

The previous prime is 423324200381. The next prime is 423324200471. The reversal of 423324200400 is 4002423324.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523365 + ... + 1058564.

It is an arithmetic number, because the mean of its divisors is an integer number (11351085984).

Almost surely, 2^423324200400 is an apocalyptic number.

423324200400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423324200400 is an abundant number, since it is smaller than the sum of its proper divisors (938806117680).

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

423324200400 is a wasteful number, since it uses less digits than its factorization.

423324200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582173 (or 1582162 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 423324200400 its reverse (4002423324), we get a palindrome (427326623724).

The spelling of 423324200400 in words is "four hundred twenty-three billion, three hundred twenty-four million, two hundred thousand, four hundred".