235131111223 has 2 divisors, whose sum is σ = 235131111224. Its totient is φ = 235131111222.

The previous prime is 235131111203. The next prime is 235131111289. The reversal of 235131111223 is 322111131532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235131111223 - 2²⁹ = 234594240311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235131111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117565555611 + 117565555612.

It is an arithmetic number, because the mean of its divisors is an integer number (117565555612).

Almost surely, 2^235131111223 is an apocalyptic number.

235131111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

235131111223 is an equidigital number, since it uses as much as digits as its factorization.

235131111223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

Adding to 235131111223 its reverse (322111131532), we get a palindrome (557242242755).

The spelling of 235131111223 in words is "two hundred thirty-five billion, one hundred thirty-one million, one hundred eleven thousand, two hundred twenty-three".