423240351 has 16 divisors (see below), whose sum is σ = 580266720. Its totient is φ = 274285440.

The previous prime is 423240343. The next prime is 423240353. The reversal of 423240351 is 153042324.

It is not a de Polignac number, because 423240351 - 2³ = 423240343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423240353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5121 + ... + 29541.

It is an arithmetic number, because the mean of its divisors is an integer number (36266670).

Almost surely, 2^423240351 is an apocalyptic number.

423240351 is a deficient number, since it is larger than the sum of its proper divisors (157026369).

423240351 is a wasteful number, since it uses less digits than its factorization.

423240351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24586.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423240351 is about 20572.8061041755. The cubic root of 423240351 is about 750.8082256045.

Adding to 423240351 its reverse (153042324), we get a palindrome (576282675).

The spelling of 423240351 in words is "four hundred twenty-three million, two hundred forty thousand, three hundred fifty-one".