231203422235 has 4 divisors (see below), whose sum is σ = 277444106688. Its totient is φ = 184962737784.

The previous prime is 231203422223. The next prime is 231203422243. The reversal of 231203422235 is 532224302132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231203422235 - 2⁸ = 231203421979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231203422198 and 231203422207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23120342219 + ... + 23120342228.

It is an arithmetic number, because the mean of its divisors is an integer number (69361026672).

Almost surely, 2^231203422235 is an apocalyptic number.

231203422235 is a deficient number, since it is larger than the sum of its proper divisors (46240684453).

231203422235 is an equidigital number, since it uses as much as digits as its factorization.

231203422235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46240684452.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 231203422235 its reverse (532224302132), we get a palindrome (763427724367).

The spelling of 231203422235 in words is "two hundred thirty-one billion, two hundred three million, four hundred twenty-two thousand, two hundred thirty-five".