424131223 has 2 divisors, whose sum is σ = 424131224. Its totient is φ = 424131222.

The previous prime is 424131217. The next prime is 424131269. The reversal of 424131223 is 322131424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424131223 - 2¹⁷ = 424000151 is a prime.

It is a super-4 number, since 4×424131223⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424131194 and 424131203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424131023) 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, 212065611 + 212065612.

It is an arithmetic number, because the mean of its divisors is an integer number (212065612).

Almost surely, 2^424131223 is an apocalyptic number.

424131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

424131223 is an equidigital number, since it uses as much as digits as its factorization.

424131223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 424131223 is about 20594.4464115936. The cubic root of 424131223 is about 751.3346445933.

Adding to 424131223 its reverse (322131424), we get a palindrome (746262647).

The spelling of 424131223 in words is "four hundred twenty-four million, one hundred thirty-one thousand, two hundred twenty-three".