201122230123 has 8 divisors (see below), whose sum is σ = 212976239760. Its totient is φ = 189270808320.

The previous prime is 201122230093. The next prime is 201122230151. The reversal of 201122230123 is 321032221102.

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

It is not a de Polignac number, because 201122230123 - 2³³ = 192532295531 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 201122230123.

It is not an unprimeable number, because it can be changed into a prime (201122230163) 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, 485793 + ... + 798898.

It is an arithmetic number, because the mean of its divisors is an integer number (26622029970).

Almost surely, 2^201122230123 is an apocalyptic number.

201122230123 is a deficient number, since it is larger than the sum of its proper divisors (11854009637).

201122230123 is a wasteful number, since it uses less digits than its factorization.

201122230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293917.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201122230123 its reverse (321032221102), we get a palindrome (522154451225).

The spelling of 201122230123 in words is "two hundred one billion, one hundred twenty-two million, two hundred thirty thousand, one hundred twenty-three".