423544410043 has 4 divisors (see below), whose sum is σ = 433394280088. Its totient is φ = 413694540000.

The previous prime is 423544410041. The next prime is 423544410059. The reversal of 423544410043 is 340014445324.

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 423544410043 - 2¹ = 423544410041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423544409990 and 423544410008.

It is not an unprimeable number, because it can be changed into a prime (423544410041) 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, 4924934958 + ... + 4924935043.

It is an arithmetic number, because the mean of its divisors is an integer number (108348570022).

Almost surely, 2^423544410043 is an apocalyptic number.

423544410043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

423544410043 is a deficient number, since it is larger than the sum of its proper divisors (9849870045).

423544410043 is an equidigital number, since it uses as much as digits as its factorization.

423544410043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849870044.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 423544410043 its reverse (340014445324), we get a palindrome (763558855367).

The spelling of 423544410043 in words is "four hundred twenty-three billion, five hundred forty-four million, four hundred ten thousand, forty-three".