121323243000 has 128 divisors (see below), whose sum is σ = 390739415040. Its totient is φ = 31309200000.

The previous prime is 121323242993. The next prime is 121323243011. The reversal of 121323243000 is 342323121.

121323243000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559276 + ... + 745275.

It is an arithmetic number, because the mean of its divisors is an integer number (3052651680).

Almost surely, 2^121323243000 is an apocalyptic number.

121323243000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323243000 is an abundant number, since it is smaller than the sum of its proper divisors (269416172040).

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

121323243000 is a wasteful number, since it uses less digits than its factorization.

121323243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304606 (or 1304592 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121323243000 its reverse (342323121), we get a palindrome (121665566121).

The spelling of 121323243000 in words is "one hundred twenty-one billion, three hundred twenty-three million, two hundred forty-three thousand".