213423121310032 has 80 divisors (see below), whose sum is σ = 431747460144000. Its totient is φ = 102073166157312.

The previous prime is 213423121310023. The next prime is 213423121310059. The reversal of 213423121310032 is 230013121324312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389313019 + ... + 389860837.

It is an arithmetic number, because the mean of its divisors is an integer number (5396843251800).

Almost surely, 2^{213423121310032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213423121310032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215873730072000).

213423121310032 is an abundant number, since it is smaller than the sum of its proper divisors (218324338833968).

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

213423121310032 is a wasteful number, since it uses less digits than its factorization.

213423121310032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555668 (or 555662 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 213423121310032 its reverse (230013121324312), we get a palindrome (443436242634344).

The spelling of 213423121310032 in words is "two hundred thirteen trillion, four hundred twenty-three billion, one hundred twenty-one million, three hundred ten thousand, thirty-two".