263223347 has 2 divisors, whose sum is σ = 263223348. Its totient is φ = 263223346.

The previous prime is 263223241. The next prime is 263223379. The reversal of 263223347 is 743322362.

It is an a-pointer prime, because the next prime (263223379) can be obtained adding 263223347 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263223347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (263223047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131611673 + 131611674.

It is an arithmetic number, because the mean of its divisors is an integer number (131611674).

Almost surely, 2^263223347 is an apocalyptic number.

263223347 is a deficient number, since it is larger than the sum of its proper divisors (1).

263223347 is an equidigital number, since it uses as much as digits as its factorization.

263223347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 32.

The square root of 263223347 is about 16224.1593618899. The cubic root of 263223347 is about 640.8771720523.

The spelling of 263223347 in words is "two hundred sixty-three million, two hundred twenty-three thousand, three hundred forty-seven".