213243230000 has 100 divisors (see below), whose sum is σ = 527269094880. Its totient is φ = 83482272000.

The previous prime is 213243229951. The next prime is 213243230027. The reversal of 213243230000 is 32342312.

213243230000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 243146 + ... + 696854.

Almost surely, 2^213243230000 is an apocalyptic number.

213243230000 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 213243230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263634547440).

213243230000 is an abundant number, since it is smaller than the sum of its proper divisors (314025864880).

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

213243230000 is an equidigital number, since it uses as much as digits as its factorization.

213243230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453784 (or 453763 counting only the distinct ones).

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

Adding to 213243230000 its reverse (32342312), we get a palindrome (213275572312).

The spelling of 213243230000 in words is "two hundred thirteen billion, two hundred forty-three million, two hundred thirty thousand".