201423205104 has 40 divisors (see below), whose sum is σ = 567647215872. Its totient is φ = 61037334720.

The previous prime is 201423205097. The next prime is 201423205147. The reversal of 201423205104 is 401502324102.

201423205104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190741144 + ... + 190742199.

Almost surely, 2^201423205104 is an apocalyptic number.

201423205104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201423205104 is an abundant number, since it is smaller than the sum of its proper divisors (366224010768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201423205104 is a wasteful number, since it uses less digits than its factorization.

201423205104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381483365 (or 381483359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 201423205104 its reverse (401502324102), we get a palindrome (602925529206).

The spelling of 201423205104 in words is "two hundred one billion, four hundred twenty-three million, two hundred five thousand, one hundred four".