123134112030 has 48 divisors (see below), whose sum is σ = 305362418832. Its totient is φ = 31776537600.

The previous prime is 123134111963. The next prime is 123134112053. The reversal of 123134112030 is 30211431321.

It is a junction number, because it is equal to n+sod(n) for n = 123134111988 and 123134112006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106691 + ... + 2164350.

It is an arithmetic number, because the mean of its divisors is an integer number (6361717059).

Almost surely, 2^123134112030 is an apocalyptic number.

123134112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123134112030 is an abundant number, since it is smaller than the sum of its proper divisors (182228306802).

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

123134112030 is a wasteful number, since it uses less digits than its factorization.

123134112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271113 (or 4271082 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123134112030 its reverse (30211431321), we get a palindrome (153345543351).

The spelling of 123134112030 in words is "one hundred twenty-three billion, one hundred thirty-four million, one hundred twelve thousand, thirty".