213344223432 has 32 divisors (see below), whose sum is σ = 533406530880. Its totient is φ = 71108611520.

The previous prime is 213344223431. The next prime is 213344223437. The reversal of 213344223432 is 234322443312.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213344223393 and 213344223402.

It is not an unprimeable number, because it can be changed into a prime (213344223431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94419 + ... + 660002.

It is an arithmetic number, because the mean of its divisors is an integer number (16668954090).

Almost surely, 2^213344223432 is an apocalyptic number.

It is an amenable number.

213344223432 is an abundant number, since it is smaller than the sum of its proper divisors (320062307448).

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

213344223432 is a wasteful number, since it uses less digits than its factorization.

213344223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766213 (or 766209 counting only the distinct ones).

The product of its digits is 82944, while the sum is 33.

Adding to 213344223432 its reverse (234322443312), we get a palindrome (447666666744).

The spelling of 213344223432 in words is "two hundred thirteen billion, three hundred forty-four million, two hundred twenty-three thousand, four hundred thirty-two".