23943848645 has 8 divisors (see below), whose sum is σ = 30422772504. Its totient is φ = 18028309504.

The previous prime is 23943848641. The next prime is 23943848653. The reversal of 23943848645 is 54684834932.

It is a Cunningham number, because it is equal to 154738²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8619636964 + 15324211681 = 92842^2 + 123791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23943848645 - 2² = 23943848641 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 140846084 + ... + 140846253.

It is an arithmetic number, because the mean of its divisors is an integer number (3802846563).

Almost surely, 2^23943848645 is an apocalyptic number.

It is an amenable number.

23943848645 is a deficient number, since it is larger than the sum of its proper divisors (6478923859).

23943848645 is a wasteful number, since it uses less digits than its factorization.

23943848645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281692359.

The product of its digits is 19906560, while the sum is 56.

The spelling of 23943848645 in words is "twenty-three billion, nine hundred forty-three million, eight hundred forty-eight thousand, six hundred forty-five".