263423224 has 8 divisors (see below), whose sum is σ = 493918560. Its totient is φ = 131711608.

The previous prime is 263423219. The next prime is 263423249. The reversal of 263423224 is 422324362.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 263423192 and 263423201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16463944 + ... + 16463959.

It is an arithmetic number, because the mean of its divisors is an integer number (61739820).

Almost surely, 2^263423224 is an apocalyptic number.

It is an amenable number.

263423224 is a deficient number, since it is larger than the sum of its proper divisors (230495336).

263423224 is a wasteful number, since it uses less digits than its factorization.

263423224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32927909 (or 32927905 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 263423224 is about 16230.3180498720. The cubic root of 263423224 is about 641.0393463662.

Adding to 263423224 its reverse (422324362), we get a palindrome (685747586).

The spelling of 263423224 in words is "two hundred sixty-three million, four hundred twenty-three thousand, two hundred twenty-four".