23020033021 has 2 divisors, whose sum is σ = 23020033022. Its totient is φ = 23020033020.

The previous prime is 23020032991. The next prime is 23020033037. The reversal of 23020033021 is 12033002032.

It is an a-pointer prime, because the next prime (23020033037) can be obtained adding 23020033021 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22669819225 + 350213796 = 150565^2 + 18714^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020033021 - 2¹³ = 23020024829 is a prime.

It is a super-3 number, since 3×23020033021³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020032986 and 23020033004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23020036021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510016510 + 11510016511.

It is an arithmetic number, because the mean of its divisors is an integer number (11510016511).

Almost surely, 2^23020033021 is an apocalyptic number.

It is an amenable number.

23020033021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020033021 is an equidigital number, since it uses as much as digits as its factorization.

23020033021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23020033021 its reverse (12033002032), we get a palindrome (35053035053).

The spelling of 23020033021 in words is "twenty-three billion, twenty million, thirty-three thousand, twenty-one".