234963809 has 2 divisors, whose sum is σ = 234963810. Its totient is φ = 234963808.

The previous prime is 234963769. The next prime is 234963853. The reversal of 234963809 is 908369432.

It is an a-pointer prime, because the next prime (234963853) can be obtained adding 234963809 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230189584 + 4774225 = 15172^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 234963809 - 2²⁴ = 218186593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234963809.

It is not a weakly prime, because it can be changed into another prime (234960809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117481904 + 117481905.

It is an arithmetic number, because the mean of its divisors is an integer number (117481905).

Almost surely, 2^234963809 is an apocalyptic number.

It is an amenable number.

234963809 is a deficient number, since it is larger than the sum of its proper divisors (1).

234963809 is an equidigital number, since it uses as much as digits as its factorization.

234963809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 234963809 is about 15328.5292510404. The cubic root of 234963809 is about 617.0688989463.

The spelling of 234963809 in words is "two hundred thirty-four million, nine hundred sixty-three thousand, eight hundred nine".