424224123431 has 4 divisors (see below), whose sum is σ = 427033554864. Its totient is φ = 421414692000.

The previous prime is 424224123391. The next prime is 424224123439. The reversal of 424224123431 is 134321422424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424224123431 - 2¹⁸ = 424223861287 is a prime.

It is a super-2 number, since 2×424224123431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424224123439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404715490 + ... + 1404715791.

It is an arithmetic number, because the mean of its divisors is an integer number (106758388716).

Almost surely, 2^424224123431 is an apocalyptic number.

424224123431 is a deficient number, since it is larger than the sum of its proper divisors (2809431433).

424224123431 is a wasteful number, since it uses less digits than its factorization.

424224123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809431432.

The product of its digits is 36864, while the sum is 32.

Adding to 424224123431 its reverse (134321422424), we get a palindrome (558545545855).

The spelling of 424224123431 in words is "four hundred twenty-four billion, two hundred twenty-four million, one hundred twenty-three thousand, four hundred thirty-one".