143243324400 has 480 divisors, whose sum is σ = 530739173376. Its totient is φ = 32693760000.

The previous prime is 143243324387. The next prime is 143243324401. The reversal of 143243324400 is 4423342341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143243324401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15135670 + ... + 15145130.

Almost surely, 2^143243324400 is an apocalyptic number.

143243324400 is a gapful number since it is divisible by the number (10) 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 143243324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265369586688).

143243324400 is an abundant number, since it is smaller than the sum of its proper divisors (387495848976).

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

143243324400 is a wasteful number, since it uses less digits than its factorization.

143243324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561 (or 9550 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 143243324400 its reverse (4423342341), we get a palindrome (147666666741).

The spelling of 143243324400 in words is "one hundred forty-three billion, two hundred forty-three million, three hundred twenty-four thousand, four hundred".