23212021430 has 64 divisors (see below), whose sum is σ = 45543375360. Its totient is φ = 8466591744.

The previous prime is 23212021411. The next prime is 23212021433. The reversal of 23212021430 is 3412021232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212021433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8535611 + ... + 8538329.

It is an arithmetic number, because the mean of its divisors is an integer number (711615240).

Almost surely, 2^23212021430 is an apocalyptic number.

23212021430 is a deficient number, since it is larger than the sum of its proper divisors (22331353930).

23212021430 is a wasteful number, since it uses less digits than its factorization.

23212021430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23212021430 its reverse (3412021232), we get a palindrome (26624042662).

The spelling of 23212021430 in words is "twenty-three billion, two hundred twelve million, twenty-one thousand, four hundred thirty".