423442422400 has 96 divisors (see below), whose sum is σ = 1047057850080. Its totient is φ = 169211366400.

The previous prime is 423442422397. The next prime is 423442422407. The reversal of 423442422400 is 4224244324.

It is not an unprimeable number, because it can be changed into a prime (423442422407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3235027 + ... + 3363373.

It is an arithmetic number, because the mean of its divisors is an integer number (10906852605).

Almost surely, 2^423442422400 is an apocalyptic number.

423442422400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423442422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523528925040).

423442422400 is an abundant number, since it is smaller than the sum of its proper divisors (623615427680).

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

423442422400 is a wasteful number, since it uses less digits than its factorization.

423442422400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129402 (or 129385 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 423442422400 its reverse (4224244324), we get a palindrome (427666666724).

The spelling of 423442422400 in words is "four hundred twenty-three billion, four hundred forty-two million, four hundred twenty-two thousand, four hundred".