424323202323431 has 2 divisors, whose sum is σ = 424323202323432. Its totient is φ = 424323202323430.

The previous prime is 424323202323407. The next prime is 424323202323443. The reversal of 424323202323431 is 134323202323424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424323202323431 - 2⁶ = 424323202323367 is a prime.

It is a super-2 number, since 2×424323202323431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424323202329431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212161601161715 + 212161601161716.

It is an arithmetic number, because the mean of its divisors is an integer number (212161601161716).

Almost surely, 2^{424323202323431} is an apocalyptic number.

424323202323431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424323202323431 is an equidigital number, since it uses as much as digits as its factorization.

424323202323431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 424323202323431 its reverse (134323202323424), we get a palindrome (558646404646855).

The spelling of 424323202323431 in words is "four hundred twenty-four trillion, three hundred twenty-three billion, two hundred two million, three hundred twenty-three thousand, four hundred thirty-one".