423231323 has 4 divisors (see below), whose sum is σ = 423279888. Its totient is φ = 423182760.

The previous prime is 423231317. The next prime is 423231343. The reversal of 423231323 is 323132324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423231323 - 2²² = 419037019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423231343) 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, 7208 + ... + 29973.

It is an arithmetic number, because the mean of its divisors is an integer number (105819972).

Almost surely, 2^423231323 is an apocalyptic number.

423231323 is a deficient number, since it is larger than the sum of its proper divisors (48565).

423231323 is a wasteful number, since it uses less digits than its factorization.

423231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48564.

The product of its digits is 2592, while the sum is 23.

The square root of 423231323 is about 20572.5866871427. The cubic root of 423231323 is about 750.8028871526.

Adding to 423231323 its reverse (323132324), we get a palindrome (746363647).

The spelling of 423231323 in words is "four hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-three".