201226558278323 has 8 divisors (see below), whose sum is σ = 201678361688496. Its totient is φ = 200775143520000.

The previous prime is 201226558278311. The next prime is 201226558278329. The reversal of 201226558278323 is 323872855622102.

It is a happy number.

201226558278323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201226558278323 - 2¹⁰ = 201226558277299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201226558278329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96126278 + ... + 98197323.

It is an arithmetic number, because the mean of its divisors is an integer number (25209795211062).

Almost surely, 2^{201226558278323} is an apocalyptic number.

201226558278323 is a deficient number, since it is larger than the sum of its proper divisors (451803410173).

201226558278323 is a wasteful number, since it uses less digits than its factorization.

201226558278323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194325925.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 201226558278323 in words is "two hundred one trillion, two hundred twenty-six billion, five hundred fifty-eight million, two hundred seventy-eight thousand, three hundred twenty-three".