23671668736 has 51 divisors (see below), whose sum is σ = 47421881013. Its totient is φ = 11816140800.

The previous prime is 23671668707. The next prime is 23671668737. The reversal of 23671668736 is 63786617632.

It is a happy number.

The square root of 23671668736 is 153856.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19896795136 + 3774873600 = 141056^2 + 61440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23671668737) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 39386836 + ... + 39387436.

Almost surely, 2^23671668736 is an apocalyptic number.

23671668736 is the 153856-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23671668736

23671668736 is an abundant number, since it is smaller than the sum of its proper divisors (23750212277).

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

23671668736 is an frugal number, since it uses more digits than its factorization.

23671668736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 603 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 55.

The spelling of 23671668736 in words is "twenty-three billion, six hundred seventy-one million, six hundred sixty-eight thousand, seven hundred thirty-six".