213344123320 has 32 divisors (see below), whose sum is σ = 491187636720. Its totient is φ = 83353052160.

The previous prime is 213344123299. The next prime is 213344123371. The reversal of 213344123320 is 23321443312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62016921 + ... + 62020360.

Almost surely, 2^213344123320 is an apocalyptic number.

213344123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213344123320 is an abundant number, since it is smaller than the sum of its proper divisors (277843513400).

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

213344123320 is a wasteful number, since it uses less digits than its factorization.

213344123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124037335 (or 124037331 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213344123320 its reverse (23321443312), we get a palindrome (236665566632).

The spelling of 213344123320 in words is "two hundred thirteen billion, three hundred forty-four million, one hundred twenty-three thousand, three hundred twenty".