201332120023 has 4 divisors (see below), whose sum is σ = 201810344008. Its totient is φ = 200853896040.

The previous prime is 201332119993. The next prime is 201332120057. The reversal of 201332120023 is 320021233102.

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-201332120023 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 (201332120723) 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, 239111361 + ... + 239112202.

It is an arithmetic number, because the mean of its divisors is an integer number (50452586002).

Almost surely, 2^201332120023 is an apocalyptic number.

201332120023 is a deficient number, since it is larger than the sum of its proper divisors (478223985).

201332120023 is an equidigital number, since it uses as much as digits as its factorization.

201332120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478223984.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201332120023 its reverse (320021233102), we get a palindrome (521353353125).

The spelling of 201332120023 in words is "two hundred one billion, three hundred thirty-two million, one hundred twenty thousand, twenty-three".