1040313223 has 2 divisors, whose sum is σ = 1040313224. Its totient is φ = 1040313222.

The previous prime is 1040313217. The next prime is 1040313269. The reversal of 1040313223 is 3223130401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040313223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040313223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040313293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520156611 + 520156612.

It is an arithmetic number, because the mean of its divisors is an integer number (520156612).

Almost surely, 2^1040313223 is an apocalyptic number.

1040313223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040313223 is an equidigital number, since it uses as much as digits as its factorization.

1040313223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1040313223 is about 32253.8869440568. The cubic root of 1040313223 is about 1013.2611066966.

Adding to 1040313223 its reverse (3223130401), we get a palindrome (4263443624).

The spelling of 1040313223 in words is "one billion, forty million, three hundred thirteen thousand, two hundred twenty-three".