213032423 has 8 divisors (see below), whose sum is σ = 226748160. Its totient is φ = 199448320.

The previous prime is 213032419. The next prime is 213032431. The reversal of 213032423 is 324230312.

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 213032423 - 2² = 213032419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213032395 and 213032404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29558 + ... + 36051.

It is an arithmetic number, because the mean of its divisors is an integer number (28343520).

Almost surely, 2^213032423 is an apocalyptic number.

213032423 is a deficient number, since it is larger than the sum of its proper divisors (13715737).

213032423 is a wasteful number, since it uses less digits than its factorization.

213032423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65817.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 213032423 is about 14595.6302707351. The cubic root of 213032423 is about 597.2395629740.

Adding to 213032423 its reverse (324230312), we get a palindrome (537262735).

The spelling of 213032423 in words is "two hundred thirteen million, thirty-two thousand, four hundred twenty-three".