1003111301123 has 4 divisors (see below), whose sum is σ = 1003114200840. Its totient is φ = 1003108401408.

The previous prime is 1003111301107. The next prime is 1003111301197. The reversal of 1003111301123 is 3211031113001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003111301123 - 2⁴ = 1003111301107 is a prime.

It is a super-2 number, since 2×1003111301123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003111301623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847553 + ... + 1650626.

It is an arithmetic number, because the mean of its divisors is an integer number (250778550210).

Almost surely, 2^{1003111301123} is an apocalyptic number.

1003111301123 is a deficient number, since it is larger than the sum of its proper divisors (2899717).

1003111301123 is an equidigital number, since it uses as much as digits as its factorization.

1003111301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899716.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1003111301123 its reverse (3211031113001), we get a palindrome (4214142414124).

The spelling of 1003111301123 in words is "one trillion, three billion, one hundred eleven million, three hundred one thousand, one hundred twenty-three".