423030239 has 4 divisors (see below), whose sum is σ = 424800480. Its totient is φ = 421260000.

The previous prime is 423030233. The next prime is 423030241. The reversal of 423030239 is 932030324.

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 423030239 - 2⁸ = 423029983 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 (423030233) 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, 884762 + ... + 885239.

It is an arithmetic number, because the mean of its divisors is an integer number (106200120).

Almost surely, 2^423030239 is an apocalyptic number.

423030239 is a deficient number, since it is larger than the sum of its proper divisors (1770241).

423030239 is a wasteful number, since it uses less digits than its factorization.

423030239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770240.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 423030239 is about 20567.6989233118. The cubic root of 423030239 is about 750.6839621455.

The spelling of 423030239 in words is "four hundred twenty-three million, thirty thousand, two hundred thirty-nine".