123004502530 has 320 divisors, whose sum is σ = 292730941440. Its totient is φ = 36942054912.

The previous prime is 123004502519. The next prime is 123004502557. The reversal of 123004502530 is 35205400321.

It is a junction number, because it is equal to n+sod(n) for n = 123004502495 and 123004502504.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 968539327 + ... + 968539453.

It is an arithmetic number, because the mean of its divisors is an integer number (914784192).

Almost surely, 2^123004502530 is an apocalyptic number.

123004502530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123004502530 is an abundant number, since it is smaller than the sum of its proper divisors (169726438910).

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

123004502530 is a wasteful number, since it uses less digits than its factorization.

123004502530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 123004502530 its reverse (35205400321), we get a palindrome (158209902851).

The spelling of 123004502530 in words is "one hundred twenty-three billion, four million, five hundred two thousand, five hundred thirty".