22523443540434 has 48 divisors (see below), whose sum is σ = 50031669752064. Its totient is φ = 7318746590400.

The previous prime is 22523443540327. The next prime is 22523443540441. The reversal of 22523443540434 is 43404534432522.

22523443540434 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 34 + 43 + 540 + 4 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22523443540434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11487774 + ... + 13304729.

It is an arithmetic number, because the mean of its divisors is an integer number (1042326453168).

Almost surely, 2^{22523443540434} is an apocalyptic number.

22523443540434 is an abundant number, since it is smaller than the sum of its proper divisors (27508226211630).

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

22523443540434 is a wasteful number, since it uses less digits than its factorization.

22523443540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793783 (or 24793780 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 45.

Adding to 22523443540434 its reverse (43404534432522), we get a palindrome (65927977972956).

The spelling of 22523443540434 in words is "twenty-two trillion, five hundred twenty-three billion, four hundred forty-three million, five hundred forty thousand, four hundred thirty-four".