123032003100 has 36 divisors (see below), whose sum is σ = 355972596504. Its totient is φ = 32808534080.

The previous prime is 123032003041. The next prime is 123032003137. The reversal of 123032003100 is 1300230321.

It is a super-2 number, since 2×123032003100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123032003100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205053039 + ... + 205053638.

Almost surely, 2^123032003100 is an apocalyptic number.

123032003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123032003100 is an abundant number, since it is smaller than the sum of its proper divisors (232940593404).

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

123032003100 is a wasteful number, since it uses less digits than its factorization.

123032003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410106694 (or 410106687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123032003100 its reverse (1300230321), we get a palindrome (124332233421).

The spelling of 123032003100 in words is "one hundred twenty-three billion, thirty-two million, three thousand, one hundred".