23244333421 has 2 divisors, whose sum is σ = 23244333422. Its totient is φ = 23244333420.

The previous prime is 23244333337. The next prime is 23244333491. The reversal of 23244333421 is 12433344232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22785902500 + 458430921 = 150950^2 + 21411^2 .

It is a cyclic number.

It is not a de Polignac number, because 23244333421 - 2¹⁹ = 23243809133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23244333491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622166710 + 11622166711.

It is an arithmetic number, because the mean of its divisors is an integer number (11622166711).

Almost surely, 2^23244333421 is an apocalyptic number.

It is an amenable number.

23244333421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23244333421 is an equidigital number, since it uses as much as digits as its factorization.

23244333421 is an evil number, because the sum of its binary digits is even.

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

Adding to 23244333421 its reverse (12433344232), we get a palindrome (35677677653).

The spelling of 23244333421 in words is "twenty-three billion, two hundred forty-four million, three hundred thirty-three thousand, four hundred twenty-one".