263111383 has 2 divisors, whose sum is σ = 263111384. Its totient is φ = 263111382.

The previous prime is 263111357. The next prime is 263111389. The reversal of 263111383 is 383111362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263111383 - 2⁵ = 263111351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263111389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131555691 + 131555692.

It is an arithmetic number, because the mean of its divisors is an integer number (131555692).

Almost surely, 2^263111383 is an apocalyptic number.

263111383 is a deficient number, since it is larger than the sum of its proper divisors (1).

263111383 is an equidigital number, since it uses as much as digits as its factorization.

263111383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 263111383 is about 16220.7084617165. The cubic root of 263111383 is about 640.7862918819.

The spelling of 263111383 in words is "two hundred sixty-three million, one hundred eleven thousand, three hundred eighty-three".