123353503130353 has 4 divisors (see below), whose sum is σ = 123354158169060. Its totient is φ = 123352848091648.

The previous prime is 123353503130309. The next prime is 123353503130359. The reversal of 123353503130353 is 353031305353321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45699127772769 + 77654375357584 = 6760113^2 + 8812172^2 .

It is a cyclic number.

It is not a de Polignac number, because 123353503130353 - 2²⁹ = 123352966259441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123353503130359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327236800 + ... + 327613537.

It is an arithmetic number, because the mean of its divisors is an integer number (30838539542265).

Almost surely, 2^{123353503130353} is an apocalyptic number.

It is an amenable number.

123353503130353 is a deficient number, since it is larger than the sum of its proper divisors (655038707).

123353503130353 is an equidigital number, since it uses as much as digits as its factorization.

123353503130353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655038706.

The product of its (nonzero) digits is 546750, while the sum is 40.

Adding to 123353503130353 its reverse (353031305353321), we get a palindrome (476384808483674).

The spelling of 123353503130353 in words is "one hundred twenty-three trillion, three hundred fifty-three billion, five hundred three million, one hundred thirty thousand, three hundred fifty-three".