423022478400 has 1008 divisors, whose sum is σ = 1692509370880. Its totient is φ = 102651494400.

The previous prime is 423022478393. The next prime is 423022478401. The reversal of 423022478400 is 4874220324.

423022478400 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 2 + 247 + 8 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (423022478401) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 387028254 + ... + 387029346.

Almost surely, 2^423022478400 is an apocalyptic number.

423022478400 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 423022478400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846254685440).

423022478400 is an abundant number, since it is smaller than the sum of its proper divisors (1269486892480).

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

423022478400 is a wasteful number, since it uses less digits than its factorization.

423022478400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

Adding to 423022478400 its reverse (4874220324), we get a palindrome (427896698724).

The spelling of 423022478400 in words is "four hundred twenty-three billion, twenty-two million, four hundred seventy-eight thousand, four hundred".