423242131 has 8 divisors (see below), whose sum is σ = 455962304. Its totient is φ = 390545280.

The previous prime is 423242129. The next prime is 423242143. The reversal of 423242131 is 131242324.

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 423242131 - 2¹ = 423242129 is a prime.

It is a super-2 number, since 2×423242131² = 358267802906842322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423242231) 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, 57046 + ... + 64036.

It is an arithmetic number, because the mean of its divisors is an integer number (56995288).

Almost surely, 2^423242131 is an apocalyptic number.

423242131 is a deficient number, since it is larger than the sum of its proper divisors (32720173).

423242131 is a wasteful number, since it uses less digits than its factorization.

423242131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661.

The product of its digits is 1152, while the sum is 22.

The square root of 423242131 is about 20572.8493651220. The cubic root of 423242131 is about 750.8092781481.

Adding to 423242131 its reverse (131242324), we get a palindrome (554484455).

The spelling of 423242131 in words is "four hundred twenty-three million, two hundred forty-two thousand, one hundred thirty-one".