213432123322 has 16 divisors (see below), whose sum is σ = 349920371232. Its totient is φ = 96829099920.

The previous prime is 213432123299. The next prime is 213432123323. The reversal of 213432123322 is 223321234312.

It is not an unprimeable number, because it can be changed into a prime (213432123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9263313 + ... + 9286324.

It is an arithmetic number, because the mean of its divisors is an integer number (21870023202).

Almost surely, 2^213432123322 is an apocalyptic number.

213432123322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213432123322 is a deficient number, since it is larger than the sum of its proper divisors (136488247910).

213432123322 is a wasteful number, since it uses less digits than its factorization.

213432123322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550173.

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

Adding to 213432123322 its reverse (223321234312), we get a palindrome (436753357634).

The spelling of 213432123322 in words is "two hundred thirteen billion, four hundred thirty-two million, one hundred twenty-three thousand, three hundred twenty-two".