423340403103 has 32 divisors (see below), whose sum is σ = 635888647680. Its totient is φ = 278326730880.

The previous prime is 423340403047. The next prime is 423340403107. The reversal of 423340403103 is 301304043324.

423340403103 is a `hidden beast` number, since 4 + 2 + 3 + 340 + 4 + 0 + 310 + 3 = 666.

It is not a de Polignac number, because 423340403103 - 2¹² = 423340399007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423340403107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354400 + ... + 986042.

It is an arithmetic number, because the mean of its divisors is an integer number (19871520240).

Almost surely, 2^423340403103 is an apocalyptic number.

423340403103 is a deficient number, since it is larger than the sum of its proper divisors (212548244577).

423340403103 is a wasteful number, since it uses less digits than its factorization.

423340403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631996 (or 631990 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423340403103 its reverse (301304043324), we get a palindrome (724644446427).

The spelling of 423340403103 in words is "four hundred twenty-three billion, three hundred forty million, four hundred three thousand, one hundred three".