234201221430 has 64 divisors (see below), whose sum is σ = 621581188608. Its totient is φ = 55998293760.

The previous prime is 234201221399. The next prime is 234201221437. The reversal of 234201221430 is 34122102432.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234201221430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234201221437) 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, 4836874 + ... + 4885053.

It is an arithmetic number, because the mean of its divisors is an integer number (9712206072).

Almost surely, 2^234201221430 is an apocalyptic number.

234201221430 is an abundant number, since it is smaller than the sum of its proper divisors (387379967178).

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

234201221430 is a wasteful number, since it uses less digits than its factorization.

234201221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722021.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 234201221430 its reverse (34122102432), we get a palindrome (268323323862).

The spelling of 234201221430 in words is "two hundred thirty-four billion, two hundred one million, two hundred twenty-one thousand, four hundred thirty".