1143223411 has 8 divisors (see below), whose sum is σ = 1251090864. Its totient is φ = 1036012320.

The previous prime is 1143223399. The next prime is 1143223421.

1143223411 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1143223411 - 2⁵ = 1143223379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143223421) 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, 160440 + ... + 167413.

It is an arithmetic number, because the mean of its divisors is an integer number (156386358).

Almost surely, 2^1143223411 is an apocalyptic number.

1143223411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143223411 is a deficient number, since it is larger than the sum of its proper divisors (107867453).

1143223411 is a wasteful number, since it uses less digits than its factorization.

1143223411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328181.

The product of its digits is 576, while the sum is 22.

The square root of 1143223411 is about 33811.5869340674. The cubic root of 1143223411 is about 1045.6275958121.

It can be divided in two parts, 11432 and 23411, that added together give a palindrome (34843).

The spelling of 1143223411 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, four hundred eleven".