123120323000 has 64 divisors (see below), whose sum is σ = 303264842400. Its totient is φ = 46656115200.

The previous prime is 123120322967. The next prime is 123120323009. The reversal of 123120323000 is 323021321.

It is a super-2 number, since 2×123120323000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123120323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120323009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3221009 + ... + 3259008.

Almost surely, 2^123120323000 is an apocalyptic number.

123120323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123120323000 is an abundant number, since it is smaller than the sum of its proper divisors (180144519400).

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

123120323000 is a wasteful number, since it uses less digits than its factorization.

123120323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480057 (or 6480043 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123120323000 its reverse (323021321), we get a palindrome (123443344321).

The spelling of 123120323000 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred twenty-three thousand".