23426616221 has 8 divisors (see below), whose sum is σ = 24010210944. Its totient is φ = 22846569760.

The previous prime is 23426616209. The next prime is 23426616251. The reversal of 23426616221 is 12261662432.

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 23426616221 - 2²⁶ = 23359507357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426616251) 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, 873695 + ... + 900108.

It is an arithmetic number, because the mean of its divisors is an integer number (3001276368).

Almost surely, 2^23426616221 is an apocalyptic number.

It is an amenable number.

23426616221 is a deficient number, since it is larger than the sum of its proper divisors (583594723).

23426616221 is a wasteful number, since it uses less digits than its factorization.

23426616221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774131.

The product of its digits is 41472, while the sum is 35.

The spelling of 23426616221 in words is "twenty-three billion, four hundred twenty-six million, six hundred sixteen thousand, two hundred twenty-one".