123131604113 has 8 divisors (see below), whose sum is σ = 140909218560. Its totient is φ = 105400836000.

The previous prime is 123131604097. The next prime is 123131604133. The reversal of 123131604113 is 311406131321.

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 123131604113 - 2⁴ = 123131604097 is a prime.

It is a super-2 number, since 2×123131604113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123131604133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11705948 + ... + 11716461.

It is an arithmetic number, because the mean of its divisors is an integer number (17613652320).

Almost surely, 2^123131604113 is an apocalyptic number.

It is an amenable number.

123131604113 is a deficient number, since it is larger than the sum of its proper divisors (17777614447).

123131604113 is an equidigital number, since it uses as much as digits as its factorization.

123131604113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23423167.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 123131604113 its reverse (311406131321), we get a palindrome (434537735434).

The spelling of 123131604113 in words is "one hundred twenty-three billion, one hundred thirty-one million, six hundred four thousand, one hundred thirteen".