1310142142123 has 4 divisors (see below), whose sum is σ = 1310806179648. Its totient is φ = 1309478104600.

The previous prime is 1310142142061. The next prime is 1310142142147. The reversal of 1310142142123 is 3212412410131.

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 1310142142123 - 2⁹ = 1310142141611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310142142193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332015803 + ... + 332019748.

It is an arithmetic number, because the mean of its divisors is an integer number (327701544912).

Almost surely, 2^{1310142142123} is an apocalyptic number.

1310142142123 is a deficient number, since it is larger than the sum of its proper divisors (664037525).

1310142142123 is an equidigital number, since it uses as much as digits as its factorization.

1310142142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664037524.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1310142142123 its reverse (3212412410131), we get a palindrome (4522554552254).

The spelling of 1310142142123 in words is "one trillion, three hundred ten billion, one hundred forty-two million, one hundred forty-two thousand, one hundred twenty-three".