213432323 has 8 divisors (see below), whose sum is σ = 233746800. Its totient is φ = 193674528.

The previous prime is 213432313. The next prime is 213432367. The reversal of 213432323 is 323234312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213432323 - 2⁸ = 213432067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213432313) 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, 138368 + ... + 139901.

It is an arithmetic number, because the mean of its divisors is an integer number (29218350).

Almost surely, 2^213432323 is an apocalyptic number.

213432323 is a deficient number, since it is larger than the sum of its proper divisors (20314477).

213432323 is a wasteful number, since it uses less digits than its factorization.

213432323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278341.

The product of its digits is 2592, while the sum is 23.

The square root of 213432323 is about 14609.3231533839. The cubic root of 213432323 is about 597.6130379088.

Adding to 213432323 its reverse (323234312), we get a palindrome (536666635).

The spelling of 213432323 in words is "two hundred thirteen million, four hundred thirty-two thousand, three hundred twenty-three".