1242103114423 has 4 divisors (see below), whose sum is σ = 1242263248920. Its totient is φ = 1241942979928.

The previous prime is 1242103114409. The next prime is 1242103114457. The reversal of 1242103114423 is 3244113012421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242103114423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242103114391 and 1242103114400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242103114123) 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, 80055613 + ... + 80071126.

It is an arithmetic number, because the mean of its divisors is an integer number (310565812230).

Almost surely, 2^{1242103114423} is an apocalyptic number.

1242103114423 is a deficient number, since it is larger than the sum of its proper divisors (160134497).

1242103114423 is an equidigital number, since it uses as much as digits as its factorization.

1242103114423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160134496.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1242103114423 its reverse (3244113012421), we get a palindrome (4486216126844).

The spelling of 1242103114423 in words is "one trillion, two hundred forty-two billion, one hundred three million, one hundred fourteen thousand, four hundred twenty-three".