202423412111 has 16 divisors (see below), whose sum is σ = 210425212800. Its totient is φ = 194490548448.

The previous prime is 202423412071. The next prime is 202423412117. The reversal of 202423412111 is 111214324202.

It is a cyclic number.

It is not a de Polignac number, because 202423412111 - 2¹⁸ = 202423149967 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 (202423412117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16971596 + ... + 16983518.

It is an arithmetic number, because the mean of its divisors is an integer number (13151575800).

Almost surely, 2^202423412111 is an apocalyptic number.

202423412111 is a deficient number, since it is larger than the sum of its proper divisors (8001800689).

202423412111 is a wasteful number, since it uses less digits than its factorization.

202423412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14758.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 202423412111 its reverse (111214324202), we get a palindrome (313637736313).

The spelling of 202423412111 in words is "two hundred two billion, four hundred twenty-three million, four hundred twelve thousand, one hundred eleven".