23535663460221 has 16 divisors (see below), whose sum is σ = 34234613291520. Its totient is φ = 14263654716720.

The previous prime is 23535663460189. The next prime is 23535663460271. The reversal of 23535663460221 is 12206436653532.

It is not a de Polignac number, because 23535663460221 - 2⁵ = 23535663460189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23535663460271) 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, 8345961 + ... + 10803998.

It is an arithmetic number, because the mean of its divisors is an integer number (2139663330720).

Almost surely, 2^{23535663460221} is an apocalyptic number.

It is an amenable number.

23535663460221 is a deficient number, since it is larger than the sum of its proper divisors (10698949831299).

23535663460221 is a wasteful number, since it uses less digits than its factorization.

23535663460221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19187216.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 23535663460221 in words is "twenty-three trillion, five hundred thirty-five billion, six hundred sixty-three million, four hundred sixty thousand, two hundred twenty-one".