23628131644 has 24 divisors (see below), whose sum is σ = 46873623440. Its totient is φ = 10331328384.

The previous prime is 23628131629. The next prime is 23628131647. The reversal of 23628131644 is 44613182632.

It is a junction number, because it is equal to n+sod(n) for n = 23628131597 and 23628131606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23628131647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11956569 + ... + 11958544.

Almost surely, 2^23628131644 is an apocalyptic number.

It is an amenable number.

23628131644 is a deficient number, since it is larger than the sum of its proper divisors (23245491796).

23628131644 is a wasteful number, since it uses less digits than its factorization.

23628131644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23915149 (or 23915147 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 23628131644 in words is "twenty-three billion, six hundred twenty-eight million, one hundred thirty-one thousand, six hundred forty-four".