235123261 has 2 divisors, whose sum is σ = 235123262. Its totient is φ = 235123260.

The previous prime is 235123249. The next prime is 235123267. The reversal of 235123261 is 162321532.

235123261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224430361 + 10692900 = 14981^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 235123261 - 2¹⁷ = 234992189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235123267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117561630 + 117561631.

It is an arithmetic number, because the mean of its divisors is an integer number (117561631).

Almost surely, 2^235123261 is an apocalyptic number.

It is an amenable number.

235123261 is a deficient number, since it is larger than the sum of its proper divisors (1).

235123261 is an equidigital number, since it uses as much as digits as its factorization.

235123261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 235123261 is about 15333.7295202439. The cubic root of 235123261 is about 617.2084532343.

Adding to 235123261 its reverse (162321532), we get a palindrome (397444793).

The spelling of 235123261 in words is "two hundred thirty-five million, one hundred twenty-three thousand, two hundred sixty-one".