43123673420000 has 240 divisors, whose sum is σ = 106942791352320. Its totient is φ = 17111484096000.

The previous prime is 43123673419993. The next prime is 43123673420057. The reversal of 43123673420000 is 2437632134.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1257122849 + ... + 1257157151.

It is an arithmetic number, because the mean of its divisors is an integer number (445594963968).

Almost surely, 2^{43123673420000} is an apocalyptic number.

43123673420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43123673420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53471395676160).

43123673420000 is an abundant number, since it is smaller than the sum of its proper divisors (63819117932320).

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

43123673420000 is a wasteful number, since it uses less digits than its factorization.

43123673420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34835 (or 34812 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 43123673420000 in words is "forty-three trillion, one hundred twenty-three billion, six hundred seventy-three million, four hundred twenty thousand".