23213030233 has 2 divisors, whose sum is σ = 23213030234. Its totient is φ = 23213030232.

The previous prime is 23213030221. The next prime is 23213030261. The reversal of 23213030233 is 33203031232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23151752649 + 61277584 = 152157^2 + 7828^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213030233 - 2²⁹ = 22676159321 is a prime.

It is not a weakly prime, because it can be changed into another prime (23213030213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606515116 + 11606515117.

It is an arithmetic number, because the mean of its divisors is an integer number (11606515117).

Almost surely, 2^23213030233 is an apocalyptic number.

It is an amenable number.

23213030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213030233 is an equidigital number, since it uses as much as digits as its factorization.

23213030233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23213030233 its reverse (33203031232), we get a palindrome (56416061465).

Subtracting 23213030233 from its reverse (33203031232), we obtain a palindrome (9990000999).

The spelling of 23213030233 in words is "twenty-three billion, two hundred thirteen million, thirty thousand, two hundred thirty-three".