123313012300 has 18 divisors (see below), whose sum is σ = 267589236908. Its totient is φ = 49325204880.

The previous prime is 123313012289. The next prime is 123313012301. The reversal of 123313012300 is 3210313321.

It is not an unprimeable number, because it can be changed into a prime (123313012301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616564962 + ... + 616565161.

Almost surely, 2^123313012300 is an apocalyptic number.

123313012300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123313012300 is an abundant number, since it is smaller than the sum of its proper divisors (144276224608).

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

123313012300 is a wasteful number, since it uses less digits than its factorization.

123313012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233130137 (or 1233130130 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123313012300 its reverse (3210313321), we get a palindrome (126523325621).

The spelling of 123313012300 in words is "one hundred twenty-three billion, three hundred thirteen million, twelve thousand, three hundred".