23505021266433 has 16 divisors (see below), whose sum is σ = 35819935303680. Its totient is φ = 13430405708496.

The previous prime is 23505021266359. The next prime is 23505021266437. The reversal of 23505021266433 is 33466212050532.

It is not a de Polignac number, because 23505021266433 - 2¹² = 23505021262337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23505021266437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42846585 + ... + 43391702.

It is an arithmetic number, because the mean of its divisors is an integer number (2238745956480).

Almost surely, 2^{23505021266433} is an apocalyptic number.

It is an amenable number.

23505021266433 is a deficient number, since it is larger than the sum of its proper divisors (12314914037247).

23505021266433 is a wasteful number, since it uses less digits than its factorization.

23505021266433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86251276.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 23505021266433 in words is "twenty-three trillion, five hundred five billion, twenty-one million, two hundred sixty-six thousand, four hundred thirty-three".