201324023 has 4 divisors (see below), whose sum is σ = 201595728. Its totient is φ = 201052320.

The previous prime is 201324001. The next prime is 201324029. The reversal of 201324023 is 320423102.

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-201324023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201323992 and 201324010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324029) 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, 134738 + ... + 136223.

It is an arithmetic number, because the mean of its divisors is an integer number (50398932).

Almost surely, 2^201324023 is an apocalyptic number.

201324023 is a deficient number, since it is larger than the sum of its proper divisors (271705).

201324023 is an equidigital number, since it uses as much as digits as its factorization.

201324023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271704.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 201324023 is about 14188.8696871879. The cubic root of 201324023 is about 586.0911992543.

Adding to 201324023 its reverse (320423102), we get a palindrome (521747125).

The spelling of 201324023 in words is "two hundred one million, three hundred twenty-four thousand, twenty-three".