23021530936446 has 16 divisors (see below), whose sum is σ = 52620642140544. Its totient is φ = 6577580267544.

The previous prime is 23021530936441. The next prime is 23021530936477. The reversal of 23021530936446 is 64463903512032.

It is a super-2 number, since 2×23021530936446² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23021530936395 and 23021530936404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021530936441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274065844440 + ... + 274065844523.

It is an arithmetic number, because the mean of its divisors is an integer number (3288790133784).

Almost surely, 2^{23021530936446} is an apocalyptic number.

23021530936446 is an abundant number, since it is smaller than the sum of its proper divisors (29599111204098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23021530936446 is a wasteful number, since it uses less digits than its factorization.

23021530936446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548131688975.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 23021530936446 in words is "twenty-three trillion, twenty-one billion, five hundred thirty million, nine hundred thirty-six thousand, four hundred forty-six".