234428269 has 2 divisors, whose sum is σ = 234428270. Its totient is φ = 234428268.

The previous prime is 234428267. The next prime is 234428273. The reversal of 234428269 is 962824432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231435369 + 2992900 = 15213^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 234428269 - 2¹ = 234428267 is a prime.

It is a super-2 number, since 2×234428269² = 109913226612672722, which contains 22 as substring.

Together with 234428267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234428261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117214134 + 117214135.

It is an arithmetic number, because the mean of its divisors is an integer number (117214135).

Almost surely, 2^234428269 is an apocalyptic number.

It is an amenable number.

234428269 is a deficient number, since it is larger than the sum of its proper divisors (1).

234428269 is an equidigital number, since it uses as much as digits as its factorization.

234428269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 234428269 is about 15311.0505518073. The cubic root of 234428269 is about 616.5997253202.

The spelling of 234428269 in words is "two hundred thirty-four million, four hundred twenty-eight thousand, two hundred sixty-nine".