32130223 has 4 divisors (see below), whose sum is σ = 32142528. Its totient is φ = 32117920.

The previous prime is 32130209. The next prime is 32130227. The reversal of 32130223 is 32203123.

32130223 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32130223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32130197 and 32130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (8035632).

Almost surely, 2^32130223 is an apocalyptic number.

32130223 is a deficient number, since it is larger than the sum of its proper divisors (12305).

32130223 is an equidigital number, since it uses as much as digits as its factorization.

32130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 32130223 is about 5668.3527589592. The cubic root of 32130223 is about 317.9102861252.

Adding to 32130223 its reverse (32203123), we get a palindrome (64333346).

Subtracting 32130223 from its reverse (32203123), we obtain a square (72900 = 270²).

The spelling of 32130223 in words is "thirty-two million, one hundred thirty thousand, two hundred twenty-three".