1143667223 has 4 divisors (see below), whose sum is σ = 1162415928. Its totient is φ = 1124918520.

The previous prime is 1143667201. The next prime is 1143667271. The reversal of 1143667223 is 3227663411.

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 1143667223 - 2²⁴ = 1126890007 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 (1143667123) 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, 9374261 + ... + 9374382.

It is an arithmetic number, because the mean of its divisors is an integer number (290603982).

Almost surely, 2^1143667223 is an apocalyptic number.

1143667223 is a deficient number, since it is larger than the sum of its proper divisors (18748705).

1143667223 is an equidigital number, since it uses as much as digits as its factorization.

1143667223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748704.

The product of its digits is 36288, while the sum is 35.

The square root of 1143667223 is about 33818.1493136452. The cubic root of 1143667223 is about 1045.7628863807.

The spelling of 1143667223 in words is "one billion, one hundred forty-three million, six hundred sixty-seven thousand, two hundred twenty-three".