23543243235 has 24 divisors (see below), whose sum is σ = 42956094480. Its totient is φ = 11895532992.

The previous prime is 23543243219. The next prime is 23543243257. The reversal of 23543243235 is 53234234532.

It is a happy number.

23543243235 is a `hidden beast` number, since 2 + 3 + 5 + 4 + 324 + 323 + 5 = 666.

It is not a de Polignac number, because 23543243235 - 2⁴ = 23543243219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23543243235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13767124 + ... + 13768833.

It is an arithmetic number, because the mean of its divisors is an integer number (1789837270).

Almost surely, 2^23543243235 is an apocalyptic number.

23543243235 is a deficient number, since it is larger than the sum of its proper divisors (19412851245).

23543243235 is a wasteful number, since it uses less digits than its factorization.

23543243235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535987 (or 27535984 counting only the distinct ones).

The product of its digits is 259200, while the sum is 36.

Adding to 23543243235 its reverse (53234234532), we get a palindrome (76777477767).

The spelling of 23543243235 in words is "twenty-three billion, five hundred forty-three million, two hundred forty-three thousand, two hundred thirty-five".