23221232430 has 64 divisors (see below), whose sum is σ = 61034197248. Its totient is φ = 5607464960.

The previous prime is 23221232407. The next prime is 23221232479. The reversal of 23221232430 is 3423212232.

It is a self number, because there is not a number n which added to its sum of digits gives 23221232430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52092 + ... + 221711.

It is an arithmetic number, because the mean of its divisors is an integer number (953659332).

Almost surely, 2^23221232430 is an apocalyptic number.

23221232430 is an abundant number, since it is smaller than the sum of its proper divisors (37812964818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221232430 is a wasteful number, since it uses less digits than its factorization.

23221232430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274081.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23221232430 its reverse (3423212232), we get a palindrome (26644444662).

The spelling of 23221232430 in words is "twenty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, four hundred thirty".