234324222421 has 4 divisors (see below), whose sum is σ = 234325774144. Its totient is φ = 234322670700.

The previous prime is 234324222397. The next prime is 234324222427. The reversal of 234324222421 is 124222423432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234324222421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234324222427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521565 + ... + 860626.

It is an arithmetic number, because the mean of its divisors is an integer number (58581443536).

Almost surely, 2^234324222421 is an apocalyptic number.

It is an amenable number.

234324222421 is a deficient number, since it is larger than the sum of its proper divisors (1551723).

234324222421 is a wasteful number, since it uses less digits than its factorization.

234324222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551722.

The product of its digits is 36864, while the sum is 31.

Adding to 234324222421 its reverse (124222423432), we get a palindrome (358546645853).

The spelling of 234324222421 in words is "two hundred thirty-four billion, three hundred twenty-four million, two hundred twenty-two thousand, four hundred twenty-one".