23113001330021 has 2 divisors, whose sum is σ = 23113001330022. Its totient is φ = 23113001330020.

The previous prime is 23113001329997. The next prime is 23113001330137. The reversal of 23113001330021 is 12003310031132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19461420480100 + 3651580849921 = 4411510^2 + 1910911^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113001330021 - 2²² = 23112997135717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23113001329975 and 23113001330002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113001332021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556500665010 + 11556500665011.

It is an arithmetic number, because the mean of its divisors is an integer number (11556500665011).

Almost surely, 2^{23113001330021} is an apocalyptic number.

It is an amenable number.

23113001330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113001330021 is an equidigital number, since it uses as much as digits as its factorization.

23113001330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23113001330021 its reverse (12003310031132), we get a palindrome (35116311361153).

The spelling of 23113001330021 in words is "twenty-three trillion, one hundred thirteen billion, one million, three hundred thirty thousand, twenty-one".