23110224821 has 2 divisors, whose sum is σ = 23110224822. Its totient is φ = 23110224820.

The previous prime is 23110224803. The next prime is 23110224829. The reversal of 23110224821 is 12842201132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16125444196 + 6984780625 = 126986^2 + 83575^2 .

It is a cyclic number.

It is not a de Polignac number, because 23110224821 - 2⁶ = 23110224757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110224829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555112410 + 11555112411.

It is an arithmetic number, because the mean of its divisors is an integer number (11555112411).

Almost surely, 2^23110224821 is an apocalyptic number.

It is an amenable number.

23110224821 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110224821 is an equidigital number, since it uses as much as digits as its factorization.

23110224821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 23110224821 its reverse (12842201132), we get a palindrome (35952425953).

The spelling of 23110224821 in words is "twenty-three billion, one hundred ten million, two hundred twenty-four thousand, eight hundred twenty-one".