263223772 has 48 divisors (see below), whose sum is σ = 553952448. Its totient is φ = 107066880.

The previous prime is 263223757. The next prime is 263223787. The reversal of 263223772 is 277322362.

It is an interprime number because it is at equal distance from previous prime (263223757) and next prime (263223787).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39378 + ... + 45574.

It is an arithmetic number, because the mean of its divisors is an integer number (11540676).

Almost surely, 2^263223772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263223772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276976224).

263223772 is an abundant number, since it is smaller than the sum of its proper divisors (290728676).

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

263223772 is a wasteful number, since it uses less digits than its factorization.

263223772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286 (or 6284 counting only the distinct ones).

The product of its digits is 42336, while the sum is 34.

The square root of 263223772 is about 16224.1724596357. The cubic root of 263223772 is about 640.8775169719.

The spelling of 263223772 in words is "two hundred sixty-three million, two hundred twenty-three thousand, seven hundred seventy-two".