23045430321 has 12 divisors (see below), whose sum is σ = 33688903248. Its totient is φ = 15178515864.

The previous prime is 23045430311. The next prime is 23045430323. The reversal of 23045430321 is 12303454032.

23045430321 is a `hidden beast` number, since 2 + 304 + 5 + 4 + 30 + 321 = 666.

It is not a de Polignac number, because 23045430321 - 2⁹ = 23045429809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23045430323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15424575 + ... + 15426068.

It is an arithmetic number, because the mean of its divisors is an integer number (2807408604).

Almost surely, 2^23045430321 is an apocalyptic number.

It is an amenable number.

23045430321 is a deficient number, since it is larger than the sum of its proper divisors (10643472927).

23045430321 is a wasteful number, since it uses less digits than its factorization.

23045430321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30850732 (or 30850729 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 23045430321 its reverse (12303454032), we get a palindrome (35348884353).

The spelling of 23045430321 in words is "twenty-three billion, forty-five million, four hundred thirty thousand, three hundred twenty-one".