32223143 has 4 divisors (see below), whose sum is σ = 34118640. Its totient is φ = 30327648.

The previous prime is 32223101. The next prime is 32223199. The reversal of 32223143 is 34132223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32223143 - 2²² = 28028839 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 (32223743) 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, 947723 + ... + 947756.

It is an arithmetic number, because the mean of its divisors is an integer number (8529660).

Almost surely, 2^32223143 is an apocalyptic number.

32223143 is a deficient number, since it is larger than the sum of its proper divisors (1895497).

32223143 is a wasteful number, since it uses less digits than its factorization.

32223143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895496.

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

The square root of 32223143 is about 5676.5432262954. The cubic root of 32223143 is about 318.2164546908.

Adding to 32223143 its reverse (34132223), we get a palindrome (66355366).

The spelling of 32223143 in words is "thirty-two million, two hundred twenty-three thousand, one hundred forty-three".