243421413000 has 256 divisors, whose sum is σ = 783359216640. Its totient is φ = 62898560000.

The previous prime is 243421412879. The next prime is 243421413007. The reversal of 243421413000 is 314124342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (243421413007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14232454 + ... + 14249546.

It is an arithmetic number, because the mean of its divisors is an integer number (3059996940).

Almost surely, 2^243421413000 is an apocalyptic number.

243421413000 is a gapful number since it is divisible by the number (20) 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 243421413000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391679608320).

243421413000 is an abundant number, since it is smaller than the sum of its proper divisors (539937803640).

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

243421413000 is a wasteful number, since it uses less digits than its factorization.

243421413000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265 (or 17251 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243421413000 its reverse (314124342), we get a palindrome (243735537342).

The spelling of 243421413000 in words is "two hundred forty-three billion, four hundred twenty-one million, four hundred thirteen thousand".