213323632 has 10 divisors (see below), whose sum is σ = 413314568. Its totient is φ = 106661808.

The previous prime is 213323603. The next prime is 213323641. The reversal of 213323632 is 236323312.

It is a junction number, because it is equal to n+sod(n) for n = 213323597 and 213323606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666348 + ... + 6666379.

Almost surely, 2^213323632 is an apocalyptic number.

It is an amenable number.

213323632 is a deficient number, since it is larger than the sum of its proper divisors (199990936).

213323632 is a wasteful number, since it uses less digits than its factorization.

213323632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332735 (or 13332729 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

The square root of 213323632 is about 14605.6027605847. The cubic root of 213323632 is about 597.5115753201.

Adding to 213323632 its reverse (236323312), we get a palindrome (449646944).

It can be divided in two parts, 21332 and 3632, that added together give a square (24964 = 158²).

The spelling of 213323632 in words is "two hundred thirteen million, three hundred twenty-three thousand, six hundred thirty-two".