22454145323 has 8 divisors (see below), whose sum is σ = 22826723520. Its totient is φ = 22081711680.

The previous prime is 22454145289. The next prime is 22454145353. The reversal of 22454145323 is 32354145422.

It is a happy number.

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 22454145323 - 2⁸ = 22454145067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454145353) 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, 303311 + ... + 370007.

It is an arithmetic number, because the mean of its divisors is an integer number (2853340440).

Almost surely, 2^22454145323 is an apocalyptic number.

22454145323 is a deficient number, since it is larger than the sum of its proper divisors (372578197).

22454145323 is an equidigital number, since it uses as much as digits as its factorization.

22454145323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72277.

The product of its digits is 115200, while the sum is 35.

Subtracting 22454145323 from its reverse (32354145422), we obtain a palindrome (9900000099).

The spelling of 22454145323 in words is "twenty-two billion, four hundred fifty-four million, one hundred forty-five thousand, three hundred twenty-three".