231420323 has 8 divisors (see below), whose sum is σ = 243793920. Its totient is φ = 219066120.

The previous prime is 231420253. The next prime is 231420401. The reversal of 231420323 is 323024132.

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 231420323 - 2²² = 227226019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231420295 and 231420304.

It is not an unprimeable number, because it can be changed into a prime (231420223) 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, 24158 + ... + 32348.

It is an arithmetic number, because the mean of its divisors is an integer number (30474240).

Almost surely, 2^231420323 is an apocalyptic number.

231420323 is a deficient number, since it is larger than the sum of its proper divisors (12373597).

231420323 is a wasteful number, since it uses less digits than its factorization.

231420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231420323 is about 15212.5054806892. The cubic root of 231420323 is about 613.9511706651.

Adding to 231420323 its reverse (323024132), we get a palindrome (554444455).

The spelling of 231420323 in words is "two hundred thirty-one million, four hundred twenty thousand, three hundred twenty-three".