201323144233 has 8 divisors (see below), whose sum is σ = 203803705728. Its totient is φ = 198843891984.

The previous prime is 201323144227. The next prime is 201323144261. The reversal of 201323144233 is 332441323102.

It is a happy number.

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 201323144233 - 2¹⁷ = 201323013161 is a prime.

It is a super-2 number, since 2×201323144233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201323144273) 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, 16066 + ... + 634747.

It is an arithmetic number, because the mean of its divisors is an integer number (25475463216).

Almost surely, 2^201323144233 is an apocalyptic number.

It is an amenable number.

201323144233 is a deficient number, since it is larger than the sum of its proper divisors (2480561495).

201323144233 is an equidigital number, since it uses as much as digits as its factorization.

201323144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654623.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 201323144233 its reverse (332441323102), we get a palindrome (533764467335).

The spelling of 201323144233 in words is "two hundred one billion, three hundred twenty-three million, one hundred forty-four thousand, two hundred thirty-three".