23263081661 has 8 divisors (see below), whose sum is σ = 24489410400. Its totient is φ = 22036948560.

The previous prime is 23263081643. The next prime is 23263081663. The reversal of 23263081661 is 16618036232.

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 23263081661 - 2¹⁴ = 23263065277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23263081663) 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, 238550 + ... + 321608.

It is an arithmetic number, because the mean of its divisors is an integer number (3061176300).

Almost surely, 2^23263081661 is an apocalyptic number.

It is an amenable number.

23263081661 is a deficient number, since it is larger than the sum of its proper divisors (1226328739).

23263081661 is a wasteful number, since it uses less digits than its factorization.

23263081661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97819.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 23263081661 in words is "twenty-three billion, two hundred sixty-three million, eighty-one thousand, six hundred sixty-one".