4323031020400 has 120 divisors (see below), whose sum is σ = 10428380357904. Its totient is φ = 1722182246400.

The previous prime is 4323031020377. The next prime is 4323031020401. The reversal of 4323031020400 is 40201303234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323031020401) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 116753890 + ... + 116790910.

Almost surely, 2^{4323031020400} is an apocalyptic number.

4323031020400 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 4323031020400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5214190178952).

4323031020400 is an abundant number, since it is smaller than the sum of its proper divisors (6105349337504).

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

4323031020400 is a wasteful number, since it uses less digits than its factorization.

4323031020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38219 (or 38208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 4323031020400 its reverse (40201303234), we get a palindrome (4363232323634).

The spelling of 4323031020400 in words is "four trillion, three hundred twenty-three billion, thirty-one million, twenty thousand, four hundred".