3221923143 has 8 divisors (see below), whose sum is σ = 4296907648. Its totient is φ = 2147443704.

The previous prime is 3221923139. The next prime is 3221923163. The reversal of 3221923143 is 3413291223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3221923143 - 2² = 3221923139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221923143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221923163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111121 + ... + 137082.

It is an arithmetic number, because the mean of its divisors is an integer number (537113456).

Almost surely, 2^3221923143 is an apocalyptic number.

3221923143 is a deficient number, since it is larger than the sum of its proper divisors (1074984505).

3221923143 is a wasteful number, since it uses less digits than its factorization.

3221923143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252533.

The product of its digits is 7776, while the sum is 30.

The square root of 3221923143 is about 56761.9867781247. The cubic root of 3221923143 is about 1476.9701747503.

The spelling of 3221923143 in words is "three billion, two hundred twenty-one million, nine hundred twenty-three thousand, one hundred forty-three".