23002231110021 has 12 divisors (see below), whose sum is σ = 33235646220972. Its totient is φ = 15330112454976.

The previous prime is 23002231110007. The next prime is 23002231110031. The reversal of 23002231110021 is 12001113220032.

23002231110021 is a `hidden beast` number, since 2 + 300 + 2 + 231 + 110 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19960468385796 + 3041762724225 = 4467714^2 + 1744065^2 .

It is not a de Polignac number, because 23002231110021 - 2¹⁴ = 23002231093637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23002231109976 and 23002231110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002231110031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392326146 + ... + 392384771.

It is an arithmetic number, because the mean of its divisors is an integer number (2769637185081).

Almost surely, 2^{23002231110021} is an apocalyptic number.

It is an amenable number.

23002231110021 is a deficient number, since it is larger than the sum of its proper divisors (10233415110951).

23002231110021 is a wasteful number, since it uses less digits than its factorization.

23002231110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784714180 (or 784714177 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23002231110021 its reverse (12001113220032), we get a palindrome (35003344330053).

The spelling of 23002231110021 in words is "twenty-three trillion, two billion, two hundred thirty-one million, one hundred ten thousand, twenty-one".