123405541004213 has 8 divisors (see below), whose sum is σ = 138676460794368. Its totient is φ = 108960076337904.

The previous prime is 123405541004117. The next prime is 123405541004243. The reversal of 123405541004213 is 312400145504321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123405541004213 - 2²² = 123405536809909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123405541004243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206363780645 + ... + 206363781242.

It is an arithmetic number, because the mean of its divisors is an integer number (17334557599296).

Almost surely, 2^{123405541004213} is an apocalyptic number.

123405541004213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123405541004213 is a deficient number, since it is larger than the sum of its proper divisors (15270919790155).

123405541004213 is a wasteful number, since it uses less digits than its factorization.

123405541004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412727561923.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 123405541004213 its reverse (312400145504321), we get a palindrome (435805686508534).

The spelling of 123405541004213 in words is "one hundred twenty-three trillion, four hundred five billion, five hundred forty-one million, four thousand, two hundred thirteen".