1064635223 has 2 divisors, whose sum is σ = 1064635224. Its totient is φ = 1064635222.

The previous prime is 1064635207. The next prime is 1064635249. The reversal of 1064635223 is 3225364601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1064635223 - 2⁴ = 1064635207 is a prime.

It is a super-2 number, since 2×1064635223² = 2266896316104519458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064635223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064635283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532317611 + 532317612.

It is an arithmetic number, because the mean of its divisors is an integer number (532317612).

Almost surely, 2^1064635223 is an apocalyptic number.

1064635223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064635223 is an equidigital number, since it uses as much as digits as its factorization.

1064635223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1064635223 is about 32628.7484130176. The cubic root of 1064635223 is about 1021.0968666359.

Adding to 1064635223 its reverse (3225364601), we get a palindrome (4289999824).

The spelling of 1064635223 in words is "one billion, sixty-four million, six hundred thirty-five thousand, two hundred twenty-three".