201423325044 has 24 divisors (see below), whose sum is σ = 470030873760. Its totient is φ = 67134949024.

The previous prime is 201423325043. The next prime is 201423325049. The reversal of 201423325044 is 440523324102.

201423325044 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201423325043) by changing a digit.

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, 632679 + ... + 896174.

It is an arithmetic number, because the mean of its divisors is an integer number (19584619740).

Almost surely, 2^201423325044 is an apocalyptic number.

It is an amenable number.

201423325044 is an abundant number, since it is smaller than the sum of its proper divisors (268607548716).

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

201423325044 is a wasteful number, since it uses less digits than its factorization.

201423325044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539839 (or 1539837 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 201423325044 its reverse (440523324102), we get a palindrome (641946649146).

The spelling of 201423325044 in words is "two hundred one billion, four hundred twenty-three million, three hundred twenty-five thousand, forty-four".