423120203 has 4 divisors (see below), whose sum is σ = 461585688. Its totient is φ = 384654720.

The previous prime is 423120163. The next prime is 423120221. The reversal of 423120203 is 302021324.

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 423120203 - 2¹² = 423116107 is a prime.

It is a super-2 number, since 2×423120203² = 358061412373522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423120283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19232726 + ... + 19232747.

It is an arithmetic number, because the mean of its divisors is an integer number (115396422).

Almost surely, 2^423120203 is an apocalyptic number.

423120203 is a deficient number, since it is larger than the sum of its proper divisors (38465485).

423120203 is a wasteful number, since it uses less digits than its factorization.

423120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38465484.

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

The square root of 423120203 is about 20569.8858285602. The cubic root of 423120203 is about 750.7371732708.

Adding to 423120203 its reverse (302021324), we get a palindrome (725141527).

The spelling of 423120203 in words is "four hundred twenty-three million, one hundred twenty thousand, two hundred three".