23321135535 has 16 divisors (see below), whose sum is σ = 37315737600. Its totient is φ = 12437298720.

The previous prime is 23321135533. The next prime is 23321135549. The reversal of 23321135535 is 53553112332.

It is not a de Polignac number, because 23321135535 - 2¹ = 23321135533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23321135496 and 23321135505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321135533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474570 + ... + 521400.

It is an arithmetic number, because the mean of its divisors is an integer number (2332233600).

Almost surely, 2^23321135535 is an apocalyptic number.

23321135535 is a deficient number, since it is larger than the sum of its proper divisors (13994602065).

23321135535 is a wasteful number, since it uses less digits than its factorization.

23321135535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80038.

The product of its digits is 40500, while the sum is 33.

Adding to 23321135535 its reverse (53553112332), we get a palindrome (76874247867).

The spelling of 23321135535 in words is "twenty-three billion, three hundred twenty-one million, one hundred thirty-five thousand, five hundred thirty-five".