123312120300 has 54 divisors (see below), whose sum is σ = 386514993228. Its totient is φ = 32883231840.

The previous prime is 123312120299. The next prime is 123312120307. The reversal of 123312120300 is 3021213321.

123312120300 is a `hidden beast` number, since 1 + 233 + 12 + 120 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123312120307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68505834 + ... + 68507633.

Almost surely, 2^123312120300 is an apocalyptic number.

123312120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123312120300 is an abundant number, since it is smaller than the sum of its proper divisors (263202872928).

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

123312120300 is a wasteful number, since it uses less digits than its factorization.

123312120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137013487 (or 137013477 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123312120300 its reverse (3021213321), we get a palindrome (126333333621).

The spelling of 123312120300 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred twenty thousand, three hundred".