263223542034 has 24 divisors (see below), whose sum is σ = 571022672220. Its totient is φ = 87632719488.

The previous prime is 263223541981. The next prime is 263223542041. The reversal of 263223542034 is 430245322362.

263223542034 is a `hidden beast` number, since 2 + 6 + 3 + 223 + 5 + 420 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207266220225 + 55957321809 = 455265^2 + 236553^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 263223542034.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9023467 + ... + 9052590.

Almost surely, 2^263223542034 is an apocalyptic number.

263223542034 is an abundant number, since it is smaller than the sum of its proper divisors (307799130186).

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

263223542034 is a wasteful number, since it uses less digits than its factorization.

263223542034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18076874 (or 18076871 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 263223542034 its reverse (430245322362), we get a palindrome (693468864396).

The spelling of 263223542034 in words is "two hundred sixty-three billion, two hundred twenty-three million, five hundred forty-two thousand, thirty-four".