423314231 has 4 divisors (see below), whose sum is σ = 433158792. Its totient is φ = 413469672.

The previous prime is 423314183. The next prime is 423314249. The reversal of 423314231 is 132413324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423314231 is a prime.

It is a super-2 number, since 2×423314231² = 358389876334242722, 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 = 423314197 and 423314206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423314291) 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, 4922216 + ... + 4922301.

It is an arithmetic number, because the mean of its divisors is an integer number (108289698).

Almost surely, 2^423314231 is an apocalyptic number.

423314231 is a deficient number, since it is larger than the sum of its proper divisors (9844561).

423314231 is an equidigital number, since it uses as much as digits as its factorization.

423314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844560.

The product of its digits is 1728, while the sum is 23.

The square root of 423314231 is about 20574.6016000310. The cubic root of 423314231 is about 750.8519095966.

Adding to 423314231 its reverse (132413324), we get a palindrome (555727555).

The spelling of 423314231 in words is "four hundred twenty-three million, three hundred fourteen thousand, two hundred thirty-one".