123113542115 has 8 divisors (see below), whose sum is σ = 147738796128. Its totient is φ = 98489136640.

The previous prime is 123113542081. The next prime is 123113542117. The reversal of 123113542115 is 511245311321.

It is a happy number.

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

It is not a de Polignac number, because 123113542115 - 2¹² = 123113538019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113542117) 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, 169475 + ... + 524355.

It is an arithmetic number, because the mean of its divisors is an integer number (18467349516).

Almost surely, 2^123113542115 is an apocalyptic number.

123113542115 is a deficient number, since it is larger than the sum of its proper divisors (24625254013).

123113542115 is an equidigital number, since it uses as much as digits as its factorization.

123113542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424269.

The product of its digits is 3600, while the sum is 29.

Adding to 123113542115 its reverse (511245311321), we get a palindrome (634358853436).

The spelling of 123113542115 in words is "one hundred twenty-three billion, one hundred thirteen million, five hundred forty-two thousand, one hundred fifteen".