423202303123 has 4 divisors (see below), whose sum is σ = 423706716720. Its totient is φ = 422697889528.

The previous prime is 423202303067. The next prime is 423202303157. The reversal of 423202303123 is 321303202324.

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 423202303123 - 2³³ = 414612368531 is a prime.

It is a super-2 number, since 2×423202303123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423202303163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252205540 + ... + 252207217.

It is an arithmetic number, because the mean of its divisors is an integer number (105926679180).

Almost surely, 2^423202303123 is an apocalyptic number.

423202303123 is a deficient number, since it is larger than the sum of its proper divisors (504413597).

423202303123 is an equidigital number, since it uses as much as digits as its factorization.

423202303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504413596.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 423202303123 its reverse (321303202324), we get a palindrome (744505505447).

The spelling of 423202303123 in words is "four hundred twenty-three billion, two hundred two million, three hundred three thousand, one hundred twenty-three".