1004281223 has 16 divisors (see below), whose sum is σ = 1182643200. Its totient is φ = 843168480.

The previous prime is 1004281207. The next prime is 1004281237. The reversal of 1004281223 is 3221824001.

It is a happy number.

It is not a de Polignac number, because 1004281223 - 2⁴ = 1004281207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004281123) 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, 61103 + ... + 75776.

It is an arithmetic number, because the mean of its divisors is an integer number (73915200).

Almost surely, 2^1004281223 is an apocalyptic number.

1004281223 is a deficient number, since it is larger than the sum of its proper divisors (178361977).

1004281223 is a wasteful number, since it uses less digits than its factorization.

1004281223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136942.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1004281223 is about 31690.3963843938. The cubic root of 1004281223 is about 1001.4250426222.

The spelling of 1004281223 in words is "one billion, four million, two hundred eighty-one thousand, two hundred twenty-three".