23943848644 has 9 divisors (see below), whose sum is σ = 41902276717. Its totient is φ = 11971769584.

The previous prime is 23943848641. The next prime is 23943848653. The reversal of 23943848644 is 44684834932.

It is a happy number.

The square root of 23943848644 is 154738.

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., 178543044 + 23765305600 = 13362^2 + 154160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23943848641) 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, 270792 + ... + 348160.

Almost surely, 2^23943848644 is an apocalyptic number.

23943848644 is the 154738-th square number.

It is an amenable number.

23943848644 is a deficient number, since it is larger than the sum of its proper divisors (17958428073).

23943848644 is an frugal number, since it uses more digits than its factorization.

23943848644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154742 (or 77371 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 55.

The spelling of 23943848644 in words is "twenty-three billion, nine hundred forty-three million, eight hundred forty-eight thousand, six hundred forty-four".