1045040223 has 32 divisors (see below), whose sum is σ = 1505433600. Its totient is φ = 642702816.

The previous prime is 1045040189. The next prime is 1045040237. The reversal of 1045040223 is 3220405401.

It is not a de Polignac number, because 1045040223 - 2⁹ = 1045039711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045040223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045040263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585468 + ... + 1586126.

It is an arithmetic number, because the mean of its divisors is an integer number (47044800).

Almost surely, 2^1045040223 is an apocalyptic number.

1045040223 is a deficient number, since it is larger than the sum of its proper divisors (460393377).

1045040223 is a wasteful number, since it uses less digits than its factorization.

1045040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1045040223 is about 32327.0818819144. The cubic root of 1045040223 is about 1014.7934814045.

Adding to 1045040223 its reverse (3220405401), we get a palindrome (4265445624).

The spelling of 1045040223 in words is "one billion, forty-five million, forty thousand, two hundred twenty-three".