423342442400 has 72 divisors (see below), whose sum is σ = 1043518773024. Its totient is φ = 167692896000.

The previous prime is 423342442361. The next prime is 423342442429. The reversal of 423342442400 is 4244243324.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2486426 + ... + 2651225.

It is an arithmetic number, because the mean of its divisors is an integer number (14493316292).

Almost surely, 2^423342442400 is an apocalyptic number.

423342442400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423342442400 is an abundant number, since it is smaller than the sum of its proper divisors (620176330624).

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

423342442400 is a wasteful number, since it uses less digits than its factorization.

423342442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137774 (or 5137761 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 423342442400 its reverse (4244243324), we get a palindrome (427586685724).

The spelling of 423342442400 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred forty-two thousand, four hundred".