23573618144 has 24 divisors (see below), whose sum is σ = 47286235080. Its totient is φ = 11564415616.

The previous prime is 23573618141. The next prime is 23573618171. The reversal of 23573618144 is 44181637532.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23573618095 and 23573618104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23573618141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6948074 + ... + 6951465.

It is an arithmetic number, because the mean of its divisors is an integer number (1970259795).

Almost surely, 2^23573618144 is an apocalyptic number.

It is an amenable number.

23573618144 is an abundant number, since it is smaller than the sum of its proper divisors (23712616936).

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

23573618144 is a wasteful number, since it uses less digits than its factorization.

23573618144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899602 (or 13899594 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 23573618144 in words is "twenty-three billion, five hundred seventy-three million, six hundred eighteen thousand, one hundred forty-four".