1201123323103 has 8 divisors (see below), whose sum is σ = 1312496586576. Its totient is φ = 1090113432000.

The previous prime is 1201123323073. The next prime is 1201123323121. The reversal of 1201123323103 is 3013233211021.

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 1201123323103 - 2³³ = 1192533388511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201123324103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90836176 + ... + 90849397.

It is an arithmetic number, because the mean of its divisors is an integer number (164062073322).

Almost surely, 2^{1201123323103} is an apocalyptic number.

1201123323103 is a deficient number, since it is larger than the sum of its proper divisors (111373263473).

1201123323103 is a wasteful number, since it uses less digits than its factorization.

1201123323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181686185.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1201123323103 its reverse (3013233211021), we get a palindrome (4214356534124).

The spelling of 1201123323103 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred three".