123011020300 has 72 divisors (see below), whose sum is σ = 307767239136. Its totient is φ = 41801948160.

The previous prime is 123011020289. The next prime is 123011020333. The reversal of 123011020300 is 3020110321.

It is a super-2 number, since 2×123011020300² (a number of 23 digits) contains 22 as substring.

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, 698467 + ... + 856666.

It is an arithmetic number, because the mean of its divisors is an integer number (4274544988).

Almost surely, 2^123011020300 is an apocalyptic number.

123011020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123011020300 is an abundant number, since it is smaller than the sum of its proper divisors (184756218836).

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

123011020300 is a wasteful number, since it uses less digits than its factorization.

123011020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555267 (or 1555260 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123011020300 its reverse (3020110321), we get a palindrome (126031130621).

The spelling of 123011020300 in words is "one hundred twenty-three billion, eleven million, twenty thousand, three hundred".