1040631223 has 2 divisors, whose sum is σ = 1040631224. Its totient is φ = 1040631222.

The previous prime is 1040631187. The next prime is 1040631227. The reversal of 1040631223 is 3221360401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040631223 - 2⁹ = 1040630711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040631194 and 1040631203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040631227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520315611 + 520315612.

It is an arithmetic number, because the mean of its divisors is an integer number (520315612).

Almost surely, 2^1040631223 is an apocalyptic number.

1040631223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040631223 is an equidigital number, since it uses as much as digits as its factorization.

1040631223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1040631223 is about 32258.8162058064. The cubic root of 1040631223 is about 1013.3643397739.

Adding to 1040631223 its reverse (3221360401), we get a palindrome (4261991624).

The spelling of 1040631223 in words is "one billion, forty million, six hundred thirty-one thousand, two hundred twenty-three".