202401100423 has 4 divisors (see below), whose sum is σ = 202868539888. Its totient is φ = 201933660960.

The previous prime is 202401100399. The next prime is 202401100441. The reversal of 202401100423 is 324001104202.

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-202401100423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202401100423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202401100723) 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 3 ways as a sum of consecutive naturals, for example, 233719083 + ... + 233719948.

It is an arithmetic number, because the mean of its divisors is an integer number (50717134972).

Almost surely, 2^202401100423 is an apocalyptic number.

202401100423 is a deficient number, since it is larger than the sum of its proper divisors (467439465).

202401100423 is an equidigital number, since it uses as much as digits as its factorization.

202401100423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467439464.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202401100423 its reverse (324001104202), we get a palindrome (526402204625).

The spelling of 202401100423 in words is "two hundred two billion, four hundred one million, one hundred thousand, four hundred twenty-three".