1004553223 has 4 divisors (see below), whose sum is σ = 1005686640. Its totient is φ = 1003419808.

The previous prime is 1004553217. The next prime is 1004553241. The reversal of 1004553223 is 3223554001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223554001 = 1193 ⋅2702057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004553223 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 (1004553203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565378 + ... + 567151.

It is an arithmetic number, because the mean of its divisors is an integer number (251421660).

Almost surely, 2^1004553223 is an apocalyptic number.

1004553223 is a deficient number, since it is larger than the sum of its proper divisors (1133417).

1004553223 is an equidigital number, since it uses as much as digits as its factorization.

1004553223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133416.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1004553223 is about 31694.6876148038. The cubic root of 1004553223 is about 1001.5154432716.

The spelling of 1004553223 in words is "one billion, four million, five hundred fifty-three thousand, two hundred twenty-three".