23487786668 has 24 divisors (see below), whose sum is σ = 42935907168. Its totient is φ = 11221460096.

The previous prime is 23487786667. The next prime is 23487786677. The reversal of 23487786668 is 86668778432.

It is a super-2 number, since 2×23487786668² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23487786667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46271 + ... + 221622.

It is an arithmetic number, because the mean of its divisors is an integer number (1788996132).

Almost surely, 2^23487786668 is an apocalyptic number.

It is an amenable number.

23487786668 is a deficient number, since it is larger than the sum of its proper divisors (19448120500).

23487786668 is a wasteful number, since it uses less digits than its factorization.

23487786668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268873 (or 268871 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 65.

The spelling of 23487786668 in words is "twenty-three billion, four hundred eighty-seven million, seven hundred eighty-six thousand, six hundred sixty-eight".