423443231103 has 64 divisors (see below), whose sum is σ = 626387281920. Its totient is φ = 253357719552.

The previous prime is 423443231023. The next prime is 423443231149. The reversal of 423443231103 is 301132344324.

It is a happy number.

It is not a de Polignac number, because 423443231103 - 2¹⁰ = 423443230079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423443231153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15967551 + ... + 15994047.

It is an arithmetic number, because the mean of its divisors is an integer number (9787301280).

Almost surely, 2^423443231103 is an apocalyptic number.

423443231103 is a deficient number, since it is larger than the sum of its proper divisors (202944050817).

423443231103 is a wasteful number, since it uses less digits than its factorization.

423443231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 423443231103 its reverse (301132344324), we get a palindrome (724575575427).

The spelling of 423443231103 in words is "four hundred twenty-three billion, four hundred forty-three million, two hundred thirty-one thousand, one hundred three".