123113503134 has 24 divisors (see below), whose sum is σ = 266760619632. Its totient is φ = 41035573440.

The previous prime is 123113503031. The next prime is 123113503147. The reversal of 123113503134 is 431305311321.

123113503134 is a `hidden beast` number, since 1 + 2 + 311 + 35 + 0 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123113503098 and 123113503107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165327 + ... + 523029.

It is an arithmetic number, because the mean of its divisors is an integer number (11115025818).

Almost surely, 2^123113503134 is an apocalyptic number.

123113503134 is an abundant number, since it is smaller than the sum of its proper divisors (143647116498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123113503134 is a wasteful number, since it uses less digits than its factorization.

123113503134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376832 (or 376829 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 123113503134 its reverse (431305311321), we get a palindrome (554418814455).

The spelling of 123113503134 in words is "one hundred twenty-three billion, one hundred thirteen million, five hundred three thousand, one hundred thirty-four".