201324323023 has 4 divisors (see below), whose sum is σ = 201332076568. Its totient is φ = 201316569480.

The previous prime is 201324322949. The next prime is 201324323027. The reversal of 201324323023 is 320323423102.

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-201324323023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324323027) 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, 3837693 + ... + 3889798.

It is an arithmetic number, because the mean of its divisors is an integer number (50333019142).

Almost surely, 2^201324323023 is an apocalyptic number.

201324323023 is a deficient number, since it is larger than the sum of its proper divisors (7753545).

201324323023 is an equidigital number, since it uses as much as digits as its factorization.

201324323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753544.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 201324323023 its reverse (320323423102), we get a palindrome (521647746125).

The spelling of 201324323023 in words is "two hundred one billion, three hundred twenty-four million, three hundred twenty-three thousand, twenty-three".