23313133043021 has 2 divisors, whose sum is σ = 23313133043022. Its totient is φ = 23313133043020.

The previous prime is 23313133042993. The next prime is 23313133043041. The reversal of 23313133043021 is 12034033131332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23299822806121 + 13310236900 = 4826989^2 + 115370^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313133043021 - 2¹⁸ = 23313132780877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313133043041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656566521510 + 11656566521511.

It is an arithmetic number, because the mean of its divisors is an integer number (11656566521511).

Almost surely, 2^{23313133043021} is an apocalyptic number.

It is an amenable number.

23313133043021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313133043021 is an equidigital number, since it uses as much as digits as its factorization.

23313133043021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 23313133043021 its reverse (12034033131332), we get a palindrome (35347166174353).

The spelling of 23313133043021 in words is "twenty-three trillion, three hundred thirteen billion, one hundred thirty-three million, forty-three thousand, twenty-one".