201122431023 has 32 divisors (see below), whose sum is σ = 277913687040. Its totient is φ = 129275153280.

The previous prime is 201122431009. The next prime is 201122431051. The reversal of 201122431023 is 320134221102.

It is not a de Polignac number, because 201122431023 - 2¹⁴ = 201122414639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122431723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10445361 + ... + 10464597.

It is an arithmetic number, because the mean of its divisors is an integer number (8684802720).

Almost surely, 2^201122431023 is an apocalyptic number.

201122431023 is a deficient number, since it is larger than the sum of its proper divisors (76791256017).

201122431023 is a wasteful number, since it uses less digits than its factorization.

201122431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20127.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201122431023 its reverse (320134221102), we get a palindrome (521256652125).

The spelling of 201122431023 in words is "two hundred one billion, one hundred twenty-two million, four hundred thirty-one thousand, twenty-three".