21883668520523 has 8 divisors (see below), whose sum is σ = 22036560246000. Its totient is φ = 21730857081568.

The previous prime is 21883668520453. The next prime is 21883668520589. The reversal of 21883668520523 is 32502586638812.

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 21883668520523 - 2¹² = 21883668516427 is a prime.

It is a super-2 number, since 2×21883668520523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21883668526523) 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, 19524536 + ... + 20614917.

It is an arithmetic number, because the mean of its divisors is an integer number (2754570030750).

Almost surely, 2^{21883668520523} is an apocalyptic number.

21883668520523 is a deficient number, since it is larger than the sum of its proper divisors (152891725477).

21883668520523 is a wasteful number, since it uses less digits than its factorization.

21883668520523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40143261.

The product of its (nonzero) digits is 33177600, while the sum is 59.

The spelling of 21883668520523 in words is "twenty-one trillion, eight hundred eighty-three billion, six hundred sixty-eight million, five hundred twenty thousand, five hundred twenty-three".