22173903525523 has 8 divisors (see below), whose sum is σ = 22777580402192. Its totient is φ = 21570457290336.

The previous prime is 22173903525481. The next prime is 22173903525533. The reversal of 22173903525523 is 32552530937122.

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 22173903525523 - 2¹³ = 22173903517331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22173903525533) 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, 57465465 + ... + 57850042.

It is an arithmetic number, because the mean of its divisors is an integer number (2847197550274).

Almost surely, 2^{22173903525523} is an apocalyptic number.

22173903525523 is a deficient number, since it is larger than the sum of its proper divisors (603676876669).

22173903525523 is a wasteful number, since it uses less digits than its factorization.

22173903525523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115320741.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 22173903525523 in words is "twenty-two trillion, one hundred seventy-three billion, nine hundred three million, five hundred twenty-five thousand, five hundred twenty-three".