23243421353 has 2 divisors, whose sum is σ = 23243421354. Its totient is φ = 23243421352.

The previous prime is 23243421277. The next prime is 23243421419. The reversal of 23243421353 is 35312434232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16881285184 + 6362136169 = 129928^2 + 79763^2 .

It is a cyclic number.

It is not a de Polignac number, because 23243421353 - 2¹⁰ = 23243420329 is a prime.

It is not a weakly prime, because it can be changed into another prime (23243424353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621710676 + 11621710677.

It is an arithmetic number, because the mean of its divisors is an integer number (11621710677).

Almost surely, 2^23243421353 is an apocalyptic number.

It is an amenable number.

23243421353 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243421353 is an equidigital number, since it uses as much as digits as its factorization.

23243421353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 32.

Adding to 23243421353 its reverse (35312434232), we get a palindrome (58555855585).

The spelling of 23243421353 in words is "twenty-three billion, two hundred forty-three million, four hundred twenty-one thousand, three hundred fifty-three".