423002123 has 2 divisors, whose sum is σ = 423002124. Its totient is φ = 423002122.

The previous prime is 423002119. The next prime is 423002141. The reversal of 423002123 is 321200324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423002123 - 2² = 423002119 is a prime.

It is not a weakly prime, because it can be changed into another prime (423002183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211501061 + 211501062.

It is an arithmetic number, because the mean of its divisors is an integer number (211501062).

Almost surely, 2^423002123 is an apocalyptic number.

423002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

423002123 is an equidigital number, since it uses as much as digits as its factorization.

423002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423002123 is about 20567.0154130345. The cubic root of 423002123 is about 750.6673307908.

Adding to 423002123 its reverse (321200324), we get a palindrome (744202447).

The spelling of 423002123 in words is "four hundred twenty-three million, two thousand, one hundred twenty-three".