423365123 has 4 divisors (see below), whose sum is σ = 427475568. Its totient is φ = 419254680.

The previous prime is 423365077. The next prime is 423365141. The reversal of 423365123 is 321563324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423365123 - 2¹⁶ = 423299587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423365153) 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 in 3 ways as a sum of consecutive naturals, for example, 2055068 + ... + 2055273.

It is an arithmetic number, because the mean of its divisors is an integer number (106868892).

Almost surely, 2^423365123 is an apocalyptic number.

423365123 is a deficient number, since it is larger than the sum of its proper divisors (4110445).

423365123 is a wasteful number, since it uses less digits than its factorization.

423365123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110444.

The product of its digits is 12960, while the sum is 29.

The square root of 423365123 is about 20575.8383304302. The cubic root of 423365123 is about 750.8819982175.

The spelling of 423365123 in words is "four hundred twenty-three million, three hundred sixty-five thousand, one hundred twenty-three".