424181423 has 2 divisors, whose sum is σ = 424181424. Its totient is φ = 424181422.

The previous prime is 424181371. The next prime is 424181447. The reversal of 424181423 is 324181424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424181423 - 2²² = 419987119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424181453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212090711 + 212090712.

It is an arithmetic number, because the mean of its divisors is an integer number (212090712).

Almost surely, 2^424181423 is an apocalyptic number.

424181423 is a deficient number, since it is larger than the sum of its proper divisors (1).

424181423 is an equidigital number, since it uses as much as digits as its factorization.

424181423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 29.

The square root of 424181423 is about 20595.6651507059. The cubic root of 424181423 is about 751.3642859788.

Subtracting from 424181423 its reverse (324181424), we obtain a palindrome (99999999).

The spelling of 424181423 in words is "four hundred twenty-four million, one hundred eighty-one thousand, four hundred twenty-three".