1330203122123 has 4 divisors (see below), whose sum is σ = 1373112900288. Its totient is φ = 1287293343960.

The previous prime is 1330203122093. The next prime is 1330203122357. The reversal of 1330203122123 is 3212213020331.

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 1330203122123 - 2²⁶ = 1330136013259 is a prime.

It is a super-2 number, since 2×1330203122123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330203122023) 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, 21454889036 + ... + 21454889097.

It is an arithmetic number, because the mean of its divisors is an integer number (343278225072).

Almost surely, 2^{1330203122123} is an apocalyptic number.

1330203122123 is a deficient number, since it is larger than the sum of its proper divisors (42909778165).

1330203122123 is an equidigital number, since it uses as much as digits as its factorization.

1330203122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42909778164.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1330203122123 its reverse (3212213020331), we get a palindrome (4542416142454).

The spelling of 1330203122123 in words is "one trillion, three hundred thirty billion, two hundred three million, one hundred twenty-two thousand, one hundred twenty-three".