121043423000 has 32 divisors (see below), whose sum is σ = 283241612160. Its totient is φ = 48417368800.

The previous prime is 121043422979. The next prime is 121043423041. The reversal of 121043423000 is 324340121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60520712 + ... + 60522711.

It is an arithmetic number, because the mean of its divisors is an integer number (8851300380).

Almost surely, 2^121043423000 is an apocalyptic number.

121043423000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121043423000 is an abundant number, since it is smaller than the sum of its proper divisors (162198189160).

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

121043423000 is a wasteful number, since it uses less digits than its factorization.

121043423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121043444 (or 121043430 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121043423000 its reverse (324340121), we get a palindrome (121367763121).

The spelling of 121043423000 in words is "one hundred twenty-one billion, forty-three million, four hundred twenty-three thousand".