423103443 has 16 divisors (see below), whose sum is σ = 651115776. Its totient is φ = 239378400.

The previous prime is 423103403. The next prime is 423103451. The reversal of 423103443 is 344301324.

It is not a de Polignac number, because 423103443 - 2⁶ = 423103379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423103403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97621 + ... + 101862.

It is an arithmetic number, because the mean of its divisors is an integer number (40694736).

Almost surely, 2^423103443 is an apocalyptic number.

423103443 is a deficient number, since it is larger than the sum of its proper divisors (228012333).

423103443 is a wasteful number, since it uses less digits than its factorization.

423103443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199594.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423103443 is about 20569.4784328626. The cubic root of 423103443 is about 750.7272607833.

Adding to 423103443 its reverse (344301324), we get a palindrome (767404767).

It can be divided in two parts, 42310 and 3443, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 423103443 in words is "four hundred twenty-three million, one hundred three thousand, four hundred forty-three".