1242313114123 has 4 divisors (see below), whose sum is σ = 1257280742088. Its totient is φ = 1227345486160.

The previous prime is 1242313114067. The next prime is 1242313114127. The reversal of 1242313114123 is 3214113132421.

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 1242313114123 - 2⁹ = 1242313113611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242313114091 and 1242313114100.

It is not an unprimeable number, because it can be changed into a prime (1242313114127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7483813858 + ... + 7483814023.

It is an arithmetic number, because the mean of its divisors is an integer number (314320185522).

Almost surely, 2^{1242313114123} is an apocalyptic number.

1242313114123 is a deficient number, since it is larger than the sum of its proper divisors (14967627965).

1242313114123 is an equidigital number, since it uses as much as digits as its factorization.

1242313114123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967627964.

The product of its digits is 3456, while the sum is 28.

Adding to 1242313114123 its reverse (3214113132421), we get a palindrome (4456426246544).

The spelling of 1242313114123 in words is "one trillion, two hundred forty-two billion, three hundred thirteen million, one hundred fourteen thousand, one hundred twenty-three".