263329323 has 24 divisors (see below), whose sum is σ = 372226512. Its totient is φ = 165547008.

The previous prime is 263329289. The next prime is 263329343. The reversal of 263329323 is 323923362.

It is not a de Polignac number, because 263329323 - 2⁹ = 263328811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263329343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114715 + ... + 116987.

It is an arithmetic number, because the mean of its divisors is an integer number (15509438).

Almost surely, 2^263329323 is an apocalyptic number.

263329323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

263329323 is a deficient number, since it is larger than the sum of its proper divisors (108897189).

263329323 is a wasteful number, since it uses less digits than its factorization.

263329323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2372 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

The square root of 263329323 is about 16227.4250267872. The cubic root of 263329323 is about 640.9631680797.

The spelling of 263329323 in words is "two hundred sixty-three million, three hundred twenty-nine thousand, three hundred twenty-three".