423636331 has 8 divisors (see below), whose sum is σ = 446672720. Its totient is φ = 400673952.

The previous prime is 423636299. The next prime is 423636337. The reversal of 423636331 is 133636324.

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 423636331 - 2⁵ = 423636299 is a prime.

It is a super-2 number, since 2×423636331² = 358935481886283122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423636293 and 423636302.

It is not an unprimeable number, because it can be changed into a prime (423636337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6540 + ... + 29833.

It is an arithmetic number, because the mean of its divisors is an integer number (55834090).

Almost surely, 2^423636331 is an apocalyptic number.

423636331 is a deficient number, since it is larger than the sum of its proper divisors (23036389).

423636331 is a wasteful number, since it uses less digits than its factorization.

423636331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37005.

The product of its digits is 23328, while the sum is 31.

The square root of 423636331 is about 20582.4277236676. The cubic root of 423636331 is about 751.0423025067.

The spelling of 423636331 in words is "four hundred twenty-three million, six hundred thirty-six thousand, three hundred thirty-one".