23221033430 has 16 divisors (see below), whose sum is σ = 47768983200. Its totient is φ = 7961497152.

The previous prime is 23221033417. The next prime is 23221033447. The reversal of 23221033430 is 3433012232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23221033396 and 23221033405.

It is a congruent number.

It is an unprimeable number.

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, 165864455 + ... + 165864594.

It is an arithmetic number, because the mean of its divisors is an integer number (2985561450).

Almost surely, 2^23221033430 is an apocalyptic number.

23221033430 is an abundant number, since it is smaller than the sum of its proper divisors (24547949770).

23221033430 is a wasteful number, since it uses less digits than its factorization.

23221033430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331729063.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23221033430 its reverse (3433012232), we get a palindrome (26654045662).

The spelling of 23221033430 in words is "twenty-three billion, two hundred twenty-one million, thirty-three thousand, four hundred thirty".