22563378523 has 8 divisors (see below), whose sum is σ = 26076457440. Its totient is φ = 19122734400.

The previous prime is 22563378463. The next prime is 22563378553. The reversal of 22563378523 is 32587336522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22563378523 - 2⁹ = 22563378011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22563378553) 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, 18108028 + ... + 18109273.

It is an arithmetic number, because the mean of its divisors is an integer number (3259557180).

Almost surely, 2^22563378523 is an apocalyptic number.

22563378523 is a deficient number, since it is larger than the sum of its proper divisors (3513078917).

22563378523 is an equidigital number, since it uses as much as digits as its factorization.

22563378523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36217397.

The product of its digits is 1814400, while the sum is 46.

The spelling of 22563378523 in words is "twenty-two billion, five hundred sixty-three million, three hundred seventy-eight thousand, five hundred twenty-three".