23661841603 has 8 divisors (see below), whose sum is σ = 24437385216. Its totient is φ = 22887064200.

The previous prime is 23661841597. The next prime is 23661841681. The reversal of 23661841603 is 30614816632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23661841603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23661841303) 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, 128443 + ... + 252628.

It is an arithmetic number, because the mean of its divisors is an integer number (3054673152).

Almost surely, 2^23661841603 is an apocalyptic number.

23661841603 is a deficient number, since it is larger than the sum of its proper divisors (775543613).

23661841603 is a wasteful number, since it uses less digits than its factorization.

23661841603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383105.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 23661841603 in words is "twenty-three billion, six hundred sixty-one million, eight hundred forty-one thousand, six hundred three".