1064673215123 has 16 divisors (see below), whose sum is σ = 1258793767680. Its totient is φ = 881062098336.

The previous prime is 1064673215093. The next prime is 1064673215149. The reversal of 1064673215123 is 3215123764601.

It is not a de Polignac number, because 1064673215123 - 2¹² = 1064673211027 is a prime.

It is a super-2 number, since 2×1064673215123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064673215183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3996536 + ... + 4254602.

It is an arithmetic number, because the mean of its divisors is an integer number (78674610480).

Almost surely, 2^{1064673215123} is an apocalyptic number.

1064673215123 is a deficient number, since it is larger than the sum of its proper divisors (194120552557).

1064673215123 is a wasteful number, since it uses less digits than its factorization.

1064673215123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278426.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 1064673215123 its reverse (3215123764601), we get a palindrome (4279796979724).

The spelling of 1064673215123 in words is "one trillion, sixty-four billion, six hundred seventy-three million, two hundred fifteen thousand, one hundred twenty-three".