23636389856 has 12 divisors (see below), whose sum is σ = 46534142592. Its totient is φ = 11818194912.

The previous prime is 23636389853. The next prime is 23636389873. The reversal of 23636389856 is 65898363632.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23636389795 and 23636389804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23636389853) by changing a digit.

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 as a sum of consecutive naturals, namely, 369318560 + ... + 369318623.

It is an arithmetic number, because the mean of its divisors is an integer number (3877845216).

Almost surely, 2^23636389856 is an apocalyptic number.

It is an amenable number.

23636389856 is a deficient number, since it is larger than the sum of its proper divisors (22897752736).

23636389856 is an equidigital number, since it uses as much as digits as its factorization.

23636389856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738637193 (or 738637185 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 59.

The spelling of 23636389856 in words is "twenty-three billion, six hundred thirty-six million, three hundred eighty-nine thousand, eight hundred fifty-six".