423332123 has 2 divisors, whose sum is σ = 423332124. Its totient is φ = 423332122.

The previous prime is 423332099. The next prime is 423332137. The reversal of 423332123 is 321233324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423332123 - 2¹² = 423328027 is a prime.

It is equal to p_22512326 and since 423332123 and 22512326 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (423352123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211666061 + 211666062.

It is an arithmetic number, because the mean of its divisors is an integer number (211666062).

Almost surely, 2^423332123 is an apocalyptic number.

423332123 is a deficient number, since it is larger than the sum of its proper divisors (1).

423332123 is an equidigital number, since it uses as much as digits as its factorization.

423332123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 23.

The square root of 423332123 is about 20575.0364033700. The cubic root of 423332123 is about 750.8624880685.

Adding to 423332123 its reverse (321233324), we get a palindrome (744565447).

The spelling of 423332123 in words is "four hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty-three".