201004003423 has 4 divisors (see below), whose sum is σ = 203425738488. Its totient is φ = 198582268360.

The previous prime is 201004003391. The next prime is 201004003481. The reversal of 201004003423 is 324300400102.

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 201004003423 - 2⁵ = 201004003391 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 201004003423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201004043423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210867408 + ... + 1210867573.

It is an arithmetic number, because the mean of its divisors is an integer number (50856434622).

Almost surely, 2^201004003423 is an apocalyptic number.

201004003423 is a deficient number, since it is larger than the sum of its proper divisors (2421735065).

201004003423 is an equidigital number, since it uses as much as digits as its factorization.

201004003423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421735064.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 201004003423 its reverse (324300400102), we get a palindrome (525304403525).

The spelling of 201004003423 in words is "two hundred one billion, four million, three thousand, four hundred twenty-three".