123123203043341 has 4 divisors (see below), whose sum is σ = 123123246217884. Its totient is φ = 123123159868800.

The previous prime is 123123203043317. The next prime is 123123203043361. The reversal of 123123203043341 is 143340302321321.

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 50568752991241 + 72554450052100 = 7111171^2 + 8517890^2 .

It is a cyclic number.

It is not a de Polignac number, because 123123203043341 - 2²² = 123123198849037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123123203043298 and 123123203043307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123203043311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16982180 + ... + 23122301.

It is an arithmetic number, because the mean of its divisors is an integer number (30780811554471).

Almost surely, 2^{123123203043341} is an apocalyptic number.

It is an amenable number.

123123203043341 is a deficient number, since it is larger than the sum of its proper divisors (43174543).

123123203043341 is an equidigital number, since it uses as much as digits as its factorization.

123123203043341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43174542.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 123123203043341 its reverse (143340302321321), we get a palindrome (266463505364662).

The spelling of 123123203043341 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred three million, forty-three thousand, three hundred forty-one".