1200313031123 has 8 divisors (see below), whose sum is σ = 1217165188800. Its totient is φ = 1183502331648.

The previous prime is 1200313031111. The next prime is 1200313031179. The reversal of 1200313031123 is 3211303130021.

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 1200313031123 - 2⁸ = 1200313030867 is a prime.

It is a super-2 number, since 2×1200313031123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200313031095 and 1200313031104.

It is not an unprimeable number, because it can be changed into a prime (1200313031923) 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, 10306238 + ... + 10422051.

It is an arithmetic number, because the mean of its divisors is an integer number (152145648600).

Almost surely, 2^{1200313031123} is an apocalyptic number.

1200313031123 is a deficient number, since it is larger than the sum of its proper divisors (16852157677).

1200313031123 is an equidigital number, since it uses as much as digits as its factorization.

1200313031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20729101.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1200313031123 its reverse (3211303130021), we get a palindrome (4411616161144).

The spelling of 1200313031123 in words is "one trillion, two hundred billion, three hundred thirteen million, thirty-one thousand, one hundred twenty-three".