23489648868 has 48 divisors (see below), whose sum is σ = 64799038080. Its totient is φ = 6479902464.

The previous prime is 23489648857. The next prime is 23489648873. The reversal of 23489648868 is 86884698432.

It is a junction number, because it is equal to n+sod(n) for n = 23489648799 and 23489648808.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4818921 + ... + 4823792.

It is an arithmetic number, because the mean of its divisors is an integer number (1349979960).

Almost surely, 2^23489648868 is an apocalyptic number.

23489648868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23489648868 is an abundant number, since it is smaller than the sum of its proper divisors (41309389212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23489648868 is a wasteful number, since it uses less digits than its factorization.

23489648868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642756 (or 9642754 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 66.

The spelling of 23489648868 in words is "twenty-three billion, four hundred eighty-nine million, six hundred forty-eight thousand, eight hundred sixty-eight".