144424223431 has 2 divisors, whose sum is σ = 144424223432. Its totient is φ = 144424223430.

The previous prime is 144424223413. The next prime is 144424223443. The reversal of 144424223431 is 134322424441.

Together with previous prime (144424223413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144424223431 - 2³³ = 135834288839 is a prime.

It is a super-2 number, since 2×144424223431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144424223491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72212111715 + 72212111716.

It is an arithmetic number, because the mean of its divisors is an integer number (72212111716).

Almost surely, 2^144424223431 is an apocalyptic number.

144424223431 is a deficient number, since it is larger than the sum of its proper divisors (1).

144424223431 is an equidigital number, since it uses as much as digits as its factorization.

144424223431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 34.

Adding to 144424223431 its reverse (134322424441), we get a palindrome (278746647872).

The spelling of 144424223431 in words is "one hundred forty-four billion, four hundred twenty-four million, two hundred twenty-three thousand, four hundred thirty-one".