423619243 has 8 divisors (see below), whose sum is σ = 449276112. Its totient is φ = 398044416.

The previous prime is 423619241. The next prime is 423619249. The reversal of 423619243 is 342916324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423619243 - 2¹ = 423619241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423619199 and 423619208.

It is not an unprimeable number, because it can be changed into a prime (423619241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9705 + ... + 30682.

It is an arithmetic number, because the mean of its divisors is an integer number (56159514).

Almost surely, 2^423619243 is an apocalyptic number.

423619243 is a deficient number, since it is larger than the sum of its proper divisors (25656869).

423619243 is a wasteful number, since it uses less digits than its factorization.

423619243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41021.

The product of its digits is 31104, while the sum is 34.

The square root of 423619243 is about 20582.0126081003. The cubic root of 423619243 is about 751.0322042357.

The spelling of 423619243 in words is "four hundred twenty-three million, six hundred nineteen thousand, two hundred forty-three".