23533530523647 has 32 divisors (see below), whose sum is σ = 32833604026368. Its totient is φ = 14965056787296.

The previous prime is 23533530523603. The next prime is 23533530523649. The reversal of 23533530523647 is 74632503533532.

It is not a de Polignac number, because 23533530523647 - 2²² = 23533526329343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23533530523647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23533530523649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154971318 + ... + 155123100.

It is an arithmetic number, because the mean of its divisors is an integer number (1026050125824).

Almost surely, 2^{23533530523647} is an apocalyptic number.

23533530523647 is a deficient number, since it is larger than the sum of its proper divisors (9300073502721).

23533530523647 is a wasteful number, since it uses less digits than its factorization.

23533530523647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158059.

The product of its (nonzero) digits is 20412000, while the sum is 51.

The spelling of 23533530523647 in words is "twenty-three trillion, five hundred thirty-three billion, five hundred thirty million, five hundred twenty-three thousand, six hundred forty-seven".