1022323143 has 8 divisors (see below), whose sum is σ = 1363548400. Its totient is φ = 681323328.

The previous prime is 1022323073. The next prime is 1022323147. The reversal of 1022323143 is 3413232201.

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

It is not a de Polignac number, because 1022323143 - 2⁸ = 1022322887 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 (1022323147) 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, 45478 + ... + 64131.

It is an arithmetic number, because the mean of its divisors is an integer number (170443550).

Almost surely, 2^1022323143 is an apocalyptic number.

1022323143 is a deficient number, since it is larger than the sum of its proper divisors (341225257).

1022323143 is a wasteful number, since it uses less digits than its factorization.

1022323143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112721.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1022323143 is about 31973.7883742293. The cubic root of 1022323143 is about 1007.3863550962.

Adding to 1022323143 its reverse (3413232201), we get a palindrome (4435555344).

The spelling of 1022323143 in words is "one billion, twenty-two million, three hundred twenty-three thousand, one hundred forty-three".