23234331133021 has 2 divisors, whose sum is σ = 23234331133022. Its totient is φ = 23234331133020.

The previous prime is 23234331133007. The next prime is 23234331133031. The reversal of 23234331133021 is 12033113343232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17653350124921 + 5580981008100 = 4201589^2 + 2362410^2 .

It is a cyclic number.

It is not a de Polignac number, because 23234331133021 - 2¹¹ = 23234331130973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23234331133001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617165566510 + 11617165566511.

It is an arithmetic number, because the mean of its divisors is an integer number (11617165566511).

Almost surely, 2^{23234331133021} is an apocalyptic number.

It is an amenable number.

23234331133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23234331133021 is an equidigital number, since it uses as much as digits as its factorization.

23234331133021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 23234331133021 its reverse (12033113343232), we get a palindrome (35267444476253).

The spelling of 23234331133021 in words is "twenty-three trillion, two hundred thirty-four billion, three hundred thirty-one million, one hundred thirty-three thousand, twenty-one".