23266351643 has 8 divisors (see below), whose sum is σ = 23309156496. Its totient is φ = 23223578400.

The previous prime is 23266351531. The next prime is 23266351679. The reversal of 23266351643 is 34615366232.

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 23266351643 - 2¹² = 23266347547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23266351643.

It is not an unprimeable number, because it can be changed into a prime (23266351943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848953 + ... + 1861493.

It is an arithmetic number, because the mean of its divisors is an integer number (2913644562).

Almost surely, 2^23266351643 is an apocalyptic number.

23266351643 is a deficient number, since it is larger than the sum of its proper divisors (42804853).

23266351643 is a wasteful number, since it uses less digits than its factorization.

23266351643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805.

The product of its digits is 466560, while the sum is 41.

The spelling of 23266351643 in words is "twenty-three billion, two hundred sixty-six million, three hundred fifty-one thousand, six hundred forty-three".