263423256 has 24 divisors (see below), whose sum is σ = 658756980. Its totient is φ = 87781248.

The previous prime is 263423249. The next prime is 263423263. The reversal of 263423256 is 652324362.

263423256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (263423249) and next prime (263423263).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77856 + ... + 81168.

Almost surely, 2^263423256 is an apocalyptic number.

It is an amenable number.

263423256 is an abundant number, since it is smaller than the sum of its proper divisors (395333724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263423256 is an frugal number, since it uses more digits than its factorization.

263423256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635 (or 3318 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 263423256 is about 16230.3190356813. The cubic root of 263423256 is about 641.0393723235.

The spelling of 263423256 in words is "two hundred sixty-three million, four hundred twenty-three thousand, two hundred fifty-six".