235426231 has 2 divisors, whose sum is σ = 235426232. Its totient is φ = 235426230.

The previous prime is 235426211. The next prime is 235426259. The reversal of 235426231 is 132624532.

It is an a-pointer prime, because the next prime (235426259) can be obtained adding 235426231 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235426231 - 2¹⁵ = 235393463 is a prime.

It is a super-2 number, since 2×235426231² = 110851020485730722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235426231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235426211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117713115 + 117713116.

It is an arithmetic number, because the mean of its divisors is an integer number (117713116).

Almost surely, 2^235426231 is an apocalyptic number.

235426231 is a deficient number, since it is larger than the sum of its proper divisors (1).

235426231 is an equidigital number, since it uses as much as digits as its factorization.

235426231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 235426231 is about 15343.6055410715. The cubic root of 235426231 is about 617.4734424481.

The spelling of 235426231 in words is "two hundred thirty-five million, four hundred twenty-six thousand, two hundred thirty-one".