1342401122123 has 4 divisors (see below), whose sum is σ = 1342463289048. Its totient is φ = 1342338955200.

The previous prime is 1342401122099. The next prime is 1342401122129. The reversal of 1342401122123 is 3212211042431.

It is a happy number.

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 1342401122123 - 2³⁰ = 1341327380299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342401122092 and 1342401122101.

It is not an unprimeable number, because it can be changed into a prime (1342401122129) 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, 31051061 + ... + 31094262.

It is an arithmetic number, because the mean of its divisors is an integer number (335615822262).

Almost surely, 2^{1342401122123} is an apocalyptic number.

1342401122123 is a deficient number, since it is larger than the sum of its proper divisors (62166925).

1342401122123 is an equidigital number, since it uses as much as digits as its factorization.

1342401122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62166924.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1342401122123 its reverse (3212211042431), we get a palindrome (4554612164554).

The spelling of 1342401122123 in words is "one trillion, three hundred forty-two billion, four hundred one million, one hundred twenty-two thousand, one hundred twenty-three".