43230386920 has 128 divisors (see below), whose sum is σ = 116486553600. Its totient is φ = 14117596416.

The previous prime is 43230386917. The next prime is 43230386923. The reversal of 43230386920 is 2968303234.

It is an interprime number because it is at equal distance from previous prime (43230386917) and next prime (43230386923).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (43230386923) 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 31 ways as a sum of consecutive naturals, for example, 1525117 + ... + 1553203.

It is an arithmetic number, because the mean of its divisors is an integer number (910051200).

Almost surely, 2^43230386920 is an apocalyptic number.

43230386920 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 43230386920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58243276800).

43230386920 is an abundant number, since it is smaller than the sum of its proper divisors (73256166680).

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

43230386920 is a wasteful number, since it uses less digits than its factorization.

43230386920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367 (or 28363 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 43230386920 in words is "forty-three billion, two hundred thirty million, three hundred eighty-six thousand, nine hundred twenty".