423234123 has 16 divisors (see below), whose sum is σ = 608186880. Its totient is φ = 260252064.

The previous prime is 423234121. The next prime is 423234151. The reversal of 423234123 is 321432324.

It is not a de Polignac number, because 423234123 - 2¹ = 423234121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423234093 and 423234102.

It is not an unprimeable number, because it can be changed into a prime (423234121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59790 + ... + 66492.

It is an arithmetic number, because the mean of its divisors is an integer number (38011680).

Almost surely, 2^423234123 is an apocalyptic number.

423234123 is a deficient number, since it is larger than the sum of its proper divisors (184952757).

423234123 is a wasteful number, since it uses less digits than its factorization.

423234123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338.

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

The square root of 423234123 is about 20572.6547387545. The cubic root of 423234123 is about 750.8045428613.

Adding to 423234123 its reverse (321432324), we get a palindrome (744666447).

The spelling of 423234123 in words is "four hundred twenty-three million, two hundred thirty-four thousand, one hundred twenty-three".