213323432168 has 96 divisors (see below), whose sum is σ = 508184202240. Its totient is φ = 83014606080.

The previous prime is 213323432167. The next prime is 213323432221. The reversal of 213323432168 is 861234323312.

It is not an unprimeable number, because it can be changed into a prime (213323432167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3666521 + ... + 3724247.

It is an arithmetic number, because the mean of its divisors is an integer number (5293585440).

Almost surely, 2^213323432168 is an apocalyptic number.

213323432168 is a gapful number since it is divisible by the number (28) 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 213323432168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254092101120).

213323432168 is an abundant number, since it is smaller than the sum of its proper divisors (294860770072).

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

213323432168 is a wasteful number, since it uses less digits than its factorization.

213323432168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58615 (or 58604 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The spelling of 213323432168 in words is "two hundred thirteen billion, three hundred twenty-three million, four hundred thirty-two thousand, one hundred sixty-eight".