4023221442313 has 2 divisors, whose sum is σ = 4023221442314. Its totient is φ = 4023221442312.

The previous prime is 4023221442311. The next prime is 4023221442329. The reversal of 4023221442313 is 3132441223204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3754479771904 + 268741670409 = 1937648^2 + 518403^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023221442313 - 2¹ = 4023221442311 is a prime.

It is a super-3 number, since 3×4023221442313³ (a number of 39 digits) contains 333 as substring.

Together with 4023221442311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4023221442311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011610721156 + 2011610721157.

It is an arithmetic number, because the mean of its divisors is an integer number (2011610721157).

Almost surely, 2^{4023221442313} is an apocalyptic number.

It is an amenable number.

4023221442313 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023221442313 is an equidigital number, since it uses as much as digits as its factorization.

4023221442313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4023221442313 its reverse (3132441223204), we get a palindrome (7155662665517).

The spelling of 4023221442313 in words is "four trillion, twenty-three billion, two hundred twenty-one million, four hundred forty-two thousand, three hundred thirteen".