423443005400 has 48 divisors (see below), whose sum is σ = 984730332600. Its totient is φ = 169338433280.

The previous prime is 423443005399. The next prime is 423443005477. The reversal of 423443005400 is 4500344324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641699 + ... + 1121901.

Almost surely, 2^423443005400 is an apocalyptic number.

423443005400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423443005400 is an abundant number, since it is smaller than the sum of its proper divisors (561287327200).

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

423443005400 is a wasteful number, since it uses less digits than its factorization.

423443005400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484628 (or 484619 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 423443005400 its reverse (4500344324), we get a palindrome (427943349724).

The spelling of 423443005400 in words is "four hundred twenty-three billion, four hundred forty-three million, five thousand, four hundred".