263867223 has 16 divisors (see below), whose sum is σ = 354216672. Its totient is φ = 174720000.

The previous prime is 263867173. The next prime is 263867249. The reversal of 263867223 is 322768362.

It is not a de Polignac number, because 263867223 - 2⁶ = 263867159 is a prime.

It is a super-2 number, since 2×263867223² = 139251822747463458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263867623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506203 + ... + 506723.

It is an arithmetic number, because the mean of its divisors is an integer number (22138542).

Almost surely, 2^263867223 is an apocalyptic number.

263867223 is a deficient number, since it is larger than the sum of its proper divisors (90349449).

263867223 is a wasteful number, since it uses less digits than its factorization.

263867223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its digits is 145152, while the sum is 39.

The square root of 263867223 is about 16243.9903656706. The cubic root of 263867223 is about 641.3993007960.

The spelling of 263867223 in words is "two hundred sixty-three million, eight hundred sixty-seven thousand, two hundred twenty-three".