331242423 has 8 divisors (see below), whose sum is σ = 441817200. Its totient is φ = 220747968.

The previous prime is 331242419. The next prime is 331242427. The reversal of 331242423 is 324242133.

It is an interprime number because it is at equal distance from previous prime (331242419) and next prime (331242427).

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

It is not a de Polignac number, because 331242423 - 2² = 331242419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331242393 and 331242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331242427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9688 + ... + 27501.

It is an arithmetic number, because the mean of its divisors is an integer number (55227150).

Almost surely, 2^331242423 is an apocalyptic number.

331242423 is a deficient number, since it is larger than the sum of its proper divisors (110574777).

331242423 is a wasteful number, since it uses less digits than its factorization.

331242423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40161.

The product of its digits is 3456, while the sum is 24.

The square root of 331242423 is about 18200.0665658123. The cubic root of 331242423 is about 691.9084761790.

Adding to 331242423 its reverse (324242133), we get a palindrome (655484556).

The spelling of 331242423 in words is "three hundred thirty-one million, two hundred forty-two thousand, four hundred twenty-three".