201001213023023 has 4 divisors (see below), whose sum is σ = 229715672026320. Its totient is φ = 172286754019728.

The previous prime is 201001213022977. The next prime is 201001213023029. The reversal of 201001213023023 is 320320312100102.

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

It is a cyclic number.

It is not a de Polignac number, because 201001213023023 - 2²⁰ = 201001211974447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001213022986 and 201001213023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001213023029) 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, 14357229501638 + ... + 14357229501651.

It is an arithmetic number, because the mean of its divisors is an integer number (57428918006580).

Almost surely, 2^{201001213023023} is an apocalyptic number.

201001213023023 is a deficient number, since it is larger than the sum of its proper divisors (28714459003297).

201001213023023 is an equidigital number, since it uses as much as digits as its factorization.

201001213023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714459003296.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201001213023023 its reverse (320320312100102), we get a palindrome (521321525123125).

The spelling of 201001213023023 in words is "two hundred one trillion, one billion, two hundred thirteen million, twenty-three thousand, twenty-three".