263140223 has 8 divisors (see below), whose sum is σ = 264972288. Its totient is φ = 261314424.

The previous prime is 263140219. The next prime is 263140247. The reversal of 263140223 is 322041362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263140223 - 2² = 263140219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263140123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107390 + ... + 109812.

It is an arithmetic number, because the mean of its divisors is an integer number (33121536).

Almost surely, 2^263140223 is an apocalyptic number.

263140223 is a deficient number, since it is larger than the sum of its proper divisors (1832065).

263140223 is a wasteful number, since it uses less digits than its factorization.

263140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 263140223 is about 16221.5974244216. The cubic root of 263140223 is about 640.8097035149.

Adding to 263140223 its reverse (322041362), we get a palindrome (585181585).

The spelling of 263140223 in words is "two hundred sixty-three million, one hundred forty thousand, two hundred twenty-three".