123123750134 has 48 divisors (see below), whose sum is σ = 232060072608. Its totient is φ = 47958240000.

The previous prime is 123123750133. The next prime is 123123750137. The reversal of 123123750134 is 431057321321.

It is a self number, because there is not a number n which added to its sum of digits gives 123123750134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123750133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9922334 + ... + 9934734.

It is an arithmetic number, because the mean of its divisors is an integer number (4834584846).

Almost surely, 2^123123750134 is an apocalyptic number.

123123750134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123123750134 is a deficient number, since it is larger than the sum of its proper divisors (108936322474).

123123750134 is a wasteful number, since it uses less digits than its factorization.

123123750134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293 (or 18282 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 123123750134 in words is "one hundred twenty-three billion, one hundred twenty-three million, seven hundred fifty thousand, one hundred thirty-four".