263822323 has 2 divisors, whose sum is σ = 263822324. Its totient is φ = 263822322.

The previous prime is 263822281. The next prime is 263822357. The reversal of 263822323 is 323228362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263822323 is a prime.

It is a super-2 number, since 2×263822323² = 139204436226232658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (263822123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131911161 + 131911162.

It is an arithmetic number, because the mean of its divisors is an integer number (131911162).

Almost surely, 2^263822323 is an apocalyptic number.

263822323 is a deficient number, since it is larger than the sum of its proper divisors (1).

263822323 is an equidigital number, since it uses as much as digits as its factorization.

263822323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 263822323 is about 16242.6082572966. The cubic root of 263822323 is about 641.3629182776.

The spelling of 263822323 in words is "two hundred sixty-three million, eight hundred twenty-two thousand, three hundred twenty-three".