201103121323 has 8 divisors (see below), whose sum is σ = 216602868608. Its totient is φ = 185607699264.

The previous prime is 201103121321. The next prime is 201103121327. The reversal of 201103121323 is 323121301102.

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

It is not a de Polignac number, because 201103121323 - 2¹ = 201103121321 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 201103121323.

It is not an unprimeable number, because it can be changed into a prime (201103121321) 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, 984411 + ... + 1171012.

It is an arithmetic number, because the mean of its divisors is an integer number (27075358576).

Almost surely, 2^201103121323 is an apocalyptic number.

201103121323 is a deficient number, since it is larger than the sum of its proper divisors (15499747285).

201103121323 is a wasteful number, since it uses less digits than its factorization.

201103121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162613.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201103121323 its reverse (323121301102), we get a palindrome (524224422425).

The spelling of 201103121323 in words is "two hundred one billion, one hundred three million, one hundred twenty-one thousand, three hundred twenty-three".