423450023 has 4 divisors (see below), whose sum is σ = 423493560. Its totient is φ = 423406488.

The previous prime is 423449993. The next prime is 423450029. The reversal of 423450023 is 320054324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423450023 - 2¹⁰ = 423448999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423450029) 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, 236 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (105873390).

Almost surely, 2^423450023 is an apocalyptic number.

423450023 is a deficient number, since it is larger than the sum of its proper divisors (43537).

423450023 is a wasteful number, since it uses less digits than its factorization.

423450023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43536.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 423450023 is about 20577.9013264230. The cubic root of 423450023 is about 750.9321878507.

The spelling of 423450023 in words is "four hundred twenty-three million, four hundred fifty thousand, twenty-three".