234203421121 has 4 divisors (see below), whose sum is σ = 234619413552. Its totient is φ = 233787428692.

The previous prime is 234203421113. The next prime is 234203421157. The reversal of 234203421121 is 121124302432.

234203421121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 234203421121 - 2³ = 234203421113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234203421181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207995371 + ... + 207996496.

It is an arithmetic number, because the mean of its divisors is an integer number (58654853388).

Almost surely, 2^234203421121 is an apocalyptic number.

It is an amenable number.

234203421121 is a deficient number, since it is larger than the sum of its proper divisors (415992431).

234203421121 is an equidigital number, since it uses as much as digits as its factorization.

234203421121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415992430.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 234203421121 its reverse (121124302432), we get a palindrome (355327723553).

The spelling of 234203421121 in words is "two hundred thirty-four billion, two hundred three million, four hundred twenty-one thousand, one hundred twenty-one".