423042400 has 72 divisors (see below), whose sum is σ = 1126662264. Its totient is φ = 153830400.

The previous prime is 423042397. The next prime is 423042419. The reversal of 423042400 is 4240324.

It is a congruent number.

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, 15237 + ... + 32836.

It is an arithmetic number, because the mean of its divisors is an integer number (15648087).

Almost surely, 2^423042400 is an apocalyptic number.

423042400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423042400 is an abundant number, since it is smaller than the sum of its proper divisors (703619864).

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

423042400 is a wasteful number, since it uses less digits than its factorization.

423042400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48104 (or 48091 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 423042400 is about 20567.9945546473. The cubic root of 423042400 is about 750.6911554691.

Adding to 423042400 its reverse (4240324), we get a palindrome (427282724).

The spelling of 423042400 in words is "four hundred twenty-three million, forty-two thousand, four hundred".