4223124443381 has 2 divisors, whose sum is σ = 4223124443382. Its totient is φ = 4223124443380.

The previous prime is 4223124443341. The next prime is 4223124443387. The reversal of 4223124443381 is 1833444213224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4042130355025 + 180994088356 = 2010505^2 + 425434^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223124443381 - 2¹⁰ = 4223124442357 is a prime.

It is a super-2 number, since 2×4223124443381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223124443387) 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, 2111562221690 + 2111562221691.

It is an arithmetic number, because the mean of its divisors is an integer number (2111562221691).

Almost surely, 2^{4223124443381} is an apocalyptic number.

It is an amenable number.

4223124443381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223124443381 is an equidigital number, since it uses as much as digits as its factorization.

4223124443381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 41.

The spelling of 4223124443381 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-four million, four hundred forty-three thousand, three hundred eighty-one".