23000233021 has 2 divisors, whose sum is σ = 23000233022. Its totient is φ = 23000233020.

The previous prime is 23000232961. The next prime is 23000233051. The reversal of 23000233021 is 12033200032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13639670521 + 9360562500 = 116789^2 + 96750^2 .

It is a cyclic number.

It is not a de Polignac number, because 23000233021 - 2⁹ = 23000232509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23000232986 and 23000233004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23000233051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500116510 + 11500116511.

It is an arithmetic number, because the mean of its divisors is an integer number (11500116511).

Almost surely, 2^23000233021 is an apocalyptic number.

It is an amenable number.

23000233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23000233021 is an equidigital number, since it uses as much as digits as its factorization.

23000233021 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 23000233021 its reverse (12033200032), we get a palindrome (35033433053).

The spelling of 23000233021 in words is "twenty-three billion, two hundred thirty-three thousand, twenty-one".