423130030400 has 504 divisors, whose sum is σ = 1376830002240. Its totient is φ = 124935782400.

The previous prime is 423130030399. The next prime is 423130030423. The reversal of 423130030400 is 4030031324.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25740584 + ... + 25757016.

It is an arithmetic number, because the mean of its divisors is an integer number (2731805560).

Almost surely, 2^423130030400 is an apocalyptic number.

423130030400 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 423130030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688415001120).

423130030400 is an abundant number, since it is smaller than the sum of its proper divisors (953699971840).

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

423130030400 is a wasteful number, since it uses less digits than its factorization.

423130030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503 (or 16477 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 423130030400 its reverse (4030031324), we get a palindrome (427160061724).

The spelling of 423130030400 in words is "four hundred twenty-three billion, one hundred thirty million, thirty thousand, four hundred".