423034000400 has 120 divisors (see below), whose sum is σ = 1111758973824. Its totient is φ = 153410803200.

The previous prime is 423034000343. The next prime is 423034000447. The reversal of 423034000400 is 4000430324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1483814 + ... + 1745786.

Almost surely, 2^423034000400 is an apocalyptic number.

423034000400 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 423034000400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555879486912).

423034000400 is an abundant number, since it is smaller than the sum of its proper divisors (688724973424).

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

423034000400 is a wasteful number, since it uses less digits than its factorization.

423034000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262369 (or 262358 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 423034000400 its reverse (4000430324), we get a palindrome (427034430724).

The spelling of 423034000400 in words is "four hundred twenty-three billion, thirty-four million, four hundred", and thus it is an aban number.