1068723232687 has 32 divisors (see below), whose sum is σ = 1258844198400. Its totient is φ = 896497996800.

The previous prime is 1068723232673. The next prime is 1068723232691. The reversal of 1068723232687 is 7862323278601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1068723232687 - 2³¹ = 1066575749039 is a prime.

It is a super-2 number, since 2×1068723232687² (a number of 25 digits) 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 (1068723232607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151739 + ... + 2601427.

It is an arithmetic number, because the mean of its divisors is an integer number (39338881200).

Almost surely, 2^{1068723232687} is an apocalyptic number.

1068723232687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1068723232687 is a deficient number, since it is larger than the sum of its proper divisors (190120965713).

1068723232687 is a wasteful number, since it uses less digits than its factorization.

1068723232687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449967.

The product of its (nonzero) digits is 8128512, while the sum is 55.

Multiplying 1068723232687 by its sum of digits (55), we get a palindrome (58779777797785).

The spelling of 1068723232687 in words is "one trillion, sixty-eight billion, seven hundred twenty-three million, two hundred thirty-two thousand, six hundred eighty-seven".