1040344223 has 12 divisors (see below), whose sum is σ = 1107329352. Its totient is φ = 977208960.

The previous prime is 1040344199. The next prime is 1040344267. The reversal of 1040344223 is 3224430401.

1040344223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1040344223 is a prime.

It is a super-2 number, since 2×1040344223² = 2164632204658947458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040344273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154793 + ... + 161373.

It is an arithmetic number, because the mean of its divisors is an integer number (92277446).

Almost surely, 2^1040344223 is an apocalyptic number.

1040344223 is a deficient number, since it is larger than the sum of its proper divisors (66985129).

1040344223 is an equidigital number, since it uses as much as digits as its factorization.

1040344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1040344223 is about 32254.3675027119. The cubic root of 1040344223 is about 1013.2711712238.

Adding to 1040344223 its reverse (3224430401), we get a palindrome (4264774624).

The spelling of 1040344223 in words is "one billion, forty million, three hundred forty-four thousand, two hundred twenty-three".