32312223 has 48 divisors (see below), whose sum is σ = 52607520. Its totient is φ = 19584000.

The previous prime is 32312213. The next prime is 32312239. The reversal of 32312223 is 32221323.

It is a happy number.

It is not a de Polignac number, because 32312223 - 2¹⁰ = 32311199 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 32312196 and 32312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319873 + ... + 319973.

It is an arithmetic number, because the mean of its divisors is an integer number (1095990).

Almost surely, 2^32312223 is an apocalyptic number.

32312223 is a deficient number, since it is larger than the sum of its proper divisors (20295297).

32312223 is a wasteful number, since it uses less digits than its factorization.

32312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 162 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 32312223 is about 5684.3841355067. The cubic root of 32312223 is about 318.5094184630.

Adding to 32312223 its reverse (32221323), we get a palindrome (64533546).

The spelling of 32312223 in words is "thirty-two million, three hundred twelve thousand, two hundred twenty-three".