32001223 has 4 divisors (see below), whose sum is σ = 32018760. Its totient is φ = 31983688.

The previous prime is 32001217. The next prime is 32001283. The reversal of 32001223 is 32210023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32210023 = 31 ⋅1039033.

It is a cyclic number.

It is not a de Polignac number, because 32001223 - 2¹⁷ = 31870151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5665 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (8004690).

Almost surely, 2^32001223 is an apocalyptic number.

32001223 is a deficient number, since it is larger than the sum of its proper divisors (17537).

32001223 is a wasteful number, since it uses less digits than its factorization.

32001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 32001223 is about 5656.9623474087. The cubic root of 32001223 is about 317.4842549077.

Adding to 32001223 its reverse (32210023), we get a palindrome (64211246).

The spelling of 32001223 in words is "thirty-two million, one thousand, two hundred twenty-three".