1040809223 has 8 divisors (see below), whose sum is σ = 1078933392. Its totient is φ = 1003211136.

The previous prime is 1040809201. The next prime is 1040809229. The reversal of 1040809223 is 3229080401.

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 1040809223 - 2¹⁰ = 1040808199 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 (1040809229) 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, 127490 + ... + 135407.

It is an arithmetic number, because the mean of its divisors is an integer number (134866674).

Almost surely, 2^1040809223 is an apocalyptic number.

1040809223 is a deficient number, since it is larger than the sum of its proper divisors (38124169).

1040809223 is a wasteful number, since it uses less digits than its factorization.

1040809223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263041.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1040809223 is about 32261.5750235477. The cubic root of 1040809223 is about 1013.4221151461.

Adding to 1040809223 its reverse (3229080401), we get a palindrome (4269889624).

The spelling of 1040809223 in words is "one billion, forty million, eight hundred nine thousand, two hundred twenty-three".