263223379 has 2 divisors, whose sum is σ = 263223380. Its totient is φ = 263223378.

The previous prime is 263223347. The next prime is 263223391. The reversal of 263223379 is 973322362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263223379 - 2⁵ = 263223347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (263223679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131611689 + 131611690.

It is an arithmetic number, because the mean of its divisors is an integer number (131611690).

Almost surely, 2^263223379 is an apocalyptic number.

263223379 is a deficient number, since it is larger than the sum of its proper divisors (1).

263223379 is an equidigital number, since it uses as much as digits as its factorization.

263223379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 263223379 is about 16224.1603480735. The cubic root of 263223379 is about 640.8771980228.

The spelling of 263223379 in words is "two hundred sixty-three million, two hundred twenty-three thousand, three hundred seventy-nine".