23424343321 has 2 divisors, whose sum is σ = 23424343322. Its totient is φ = 23424343320.

The previous prime is 23424343309. The next prime is 23424343337. The reversal of 23424343321 is 12334342432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16512250000 + 6912093321 = 128500^2 + 83139^2 .

It is a cyclic number.

It is not a de Polignac number, because 23424343321 - 2¹⁷ = 23424212249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23424343381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712171660 + 11712171661.

It is an arithmetic number, because the mean of its divisors is an integer number (11712171661).

Almost surely, 2^23424343321 is an apocalyptic number.

It is an amenable number.

23424343321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23424343321 is an equidigital number, since it uses as much as digits as its factorization.

23424343321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

Adding to 23424343321 its reverse (12334342432), we get a palindrome (35758685753).

The spelling of 23424343321 in words is "twenty-three billion, four hundred twenty-four million, three hundred forty-three thousand, three hundred twenty-one".