23223122202021 has 12 divisors (see below), whose sum is σ = 36019536476832. Its totient is φ = 13270355543928.

The previous prime is 23223122201971. The next prime is 23223122202031. The reversal of 23223122202021 is 12020222132232.

It is not a de Polignac number, because 23223122202021 - 2²¹ = 23223120104869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23223122201982 and 23223122202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223122202031) 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, 78990211425 + ... + 78990211718.

It is an arithmetic number, because the mean of its divisors is an integer number (3001628039736).

Almost surely, 2^{23223122202021} is an apocalyptic number.

23223122202021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23223122202021 is a deficient number, since it is larger than the sum of its proper divisors (12796414274811).

23223122202021 is a wasteful number, since it uses less digits than its factorization.

23223122202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157980423160 (or 157980423153 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23223122202021 its reverse (12020222132232), we get a palindrome (35243344334253).

The spelling of 23223122202021 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred twenty-two million, two hundred two thousand, twenty-one".