123123132030 has 16 divisors (see below), whose sum is σ = 295495516944. Its totient is φ = 32832835200.

The previous prime is 123123131987. The next prime is 123123132053. The reversal of 123123132030 is 30231321321.

It is a junction number, because it is equal to n+sod(n) for n = 123123131988 and 123123132006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2052052171 + ... + 2052052230.

It is an arithmetic number, because the mean of its divisors is an integer number (18468469809).

Almost surely, 2^123123132030 is an apocalyptic number.

123123132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123132030 is an abundant number, since it is smaller than the sum of its proper divisors (172372384914).

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

123123132030 is a wasteful number, since it uses less digits than its factorization.

123123132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104104411.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123123132030 its reverse (30231321321), we get a palindrome (153354453351).

The spelling of 123123132030 in words is "one hundred twenty-three billion, one hundred twenty-three million, one hundred thirty-two thousand, thirty".