1301022203123 has 4 divisors (see below), whose sum is σ = 1301181904680. Its totient is φ = 1300862501568.

The previous prime is 1301022203119. The next prime is 1301022203189. The reversal of 1301022203123 is 3213022201031.

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 1301022203123 - 2² = 1301022203119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301022203095 and 1301022203104.

It is not an unprimeable number, because it can be changed into a prime (1301022253123) 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, 79838558 + ... + 79854851.

It is an arithmetic number, because the mean of its divisors is an integer number (325295476170).

Almost surely, 2^{1301022203123} is an apocalyptic number.

1301022203123 is a deficient number, since it is larger than the sum of its proper divisors (159701557).

1301022203123 is an equidigital number, since it uses as much as digits as its factorization.

1301022203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159701556.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1301022203123 its reverse (3213022201031), we get a palindrome (4514044404154).

The spelling of 1301022203123 in words is "one trillion, three hundred one billion, twenty-two million, two hundred three thousand, one hundred twenty-three".