1144232223 has 16 divisors (see below), whose sum is σ = 1563920736. Its totient is φ = 743708160.

The previous prime is 1144232191. The next prime is 1144232263. The reversal of 1144232223 is 3222324411.

It is a happy number.

It is not a de Polignac number, because 1144232223 - 2⁵ = 1144232191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144232193 and 1144232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144232263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280011 + ... + 284067.

It is an arithmetic number, because the mean of its divisors is an integer number (97745046).

Almost surely, 2^1144232223 is an apocalyptic number.

1144232223 is a deficient number, since it is larger than the sum of its proper divisors (419688513).

1144232223 is a wasteful number, since it uses less digits than its factorization.

1144232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394.

The product of its digits is 2304, while the sum is 24.

The square root of 1144232223 is about 33826.5017848432. The cubic root of 1144232223 is about 1045.9350689721.

Adding to 1144232223 its reverse (3222324411), we get a palindrome (4366556634).

The spelling of 1144232223 in words is "one billion, one hundred forty-four million, two hundred thirty-two thousand, two hundred twenty-three".