201013011133023 has 4 divisors (see below), whose sum is σ = 268017348177368. Its totient is φ = 134008674088680.

The previous prime is 201013011133001. The next prime is 201013011133031. The reversal of 201013011133023 is 320331110310102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201013011133023 - 2²⁴ = 201012994355807 is a prime.

It is a super-2 number, since 2×201013011133023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013011153023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33502168522168 + ... + 33502168522173.

It is an arithmetic number, because the mean of its divisors is an integer number (67004337044342).

Almost surely, 2^{201013011133023} is an apocalyptic number.

201013011133023 is a deficient number, since it is larger than the sum of its proper divisors (67004337044345).

201013011133023 is an equidigital number, since it uses as much as digits as its factorization.

201013011133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67004337044344.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 201013011133023 its reverse (320331110310102), we get a palindrome (521344121443125).

The spelling of 201013011133023 in words is "two hundred one trillion, thirteen billion, eleven million, one hundred thirty-three thousand, twenty-three".