23224311213021 has 12 divisors (see below), whose sum is σ = 33546369914460. Its totient is φ = 15482808323520.

The previous prime is 23224311212933. The next prime is 23224311213029. The reversal of 23224311213021 is 12031211342232.

23224311213021 is a `hidden beast` number, since 2 + 3 + 2 + 24 + 311 + 21 + 302 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6510228795225 + 16714082417796 = 2551515^2 + 4088286^2 .

It is not a de Polignac number, because 23224311213021 - 2²¹ = 23224309115869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224311213029) 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, 3200040 + ... + 7529201.

It is an arithmetic number, because the mean of its divisors is an integer number (2795530826205).

Almost surely, 2^{23224311213021} is an apocalyptic number.

It is an amenable number.

23224311213021 is a deficient number, since it is larger than the sum of its proper divisors (10322058701439).

23224311213021 is a wasteful number, since it uses less digits than its factorization.

23224311213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969756 (or 10969753 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23224311213021 its reverse (12031211342232), we get a palindrome (35255522555253).

The spelling of 23224311213021 in words is "twenty-three trillion, two hundred twenty-four billion, three hundred eleven million, two hundred thirteen thousand, twenty-one".