1301232103123 has 4 divisors (see below), whose sum is σ = 1343207332288. Its totient is φ = 1259256873960.

The previous prime is 1301232103111. The next prime is 1301232103141. The reversal of 1301232103123 is 3213012321031.

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-1301232103123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301232103094 and 1301232103103.

It is not an unprimeable number, because it can be changed into a prime (1301232103823) 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, 20987614536 + ... + 20987614597.

It is an arithmetic number, because the mean of its divisors is an integer number (335801833072).

Almost surely, 2^{1301232103123} is an apocalyptic number.

1301232103123 is a deficient number, since it is larger than the sum of its proper divisors (41975229165).

1301232103123 is an equidigital number, since it uses as much as digits as its factorization.

1301232103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41975229164.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1301232103123 its reverse (3213012321031), we get a palindrome (4514244424154).

The spelling of 1301232103123 in words is "one trillion, three hundred one billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-three".