4123424431 has 6 divisors (see below), whose sum is σ = 4796636640. Its totient is φ = 3534363756.

The previous prime is 4123424423. The next prime is 4123424449. The reversal of 4123424431 is 1344243214.

It is not a de Polignac number, because 4123424431 - 2³ = 4123424423 is a prime.

It is a super-2 number, since 2×4123424431² = 34005258076335347522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4123424431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123424401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42075711 + ... + 42075808.

It is an arithmetic number, because the mean of its divisors is an integer number (799439440).

Almost surely, 2^4123424431 is an apocalyptic number.

4123424431 is a deficient number, since it is larger than the sum of its proper divisors (673212209).

4123424431 is an equidigital number, since it uses as much as digits as its factorization.

4123424431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84151533 (or 84151526 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 4123424431 is about 64213.8959338242. The cubic root of 4123424431 is about 1603.5629494334.

Adding to 4123424431 its reverse (1344243214), we get a palindrome (5467667645).

The spelling of 4123424431 in words is "four billion, one hundred twenty-three million, four hundred twenty-four thousand, four hundred thirty-one".