43432021112 has 32 divisors (see below), whose sum is σ = 89448105600. Its totient is φ = 19678580064.

The previous prime is 43432021103. The next prime is 43432021117. The reversal of 43432021112 is 21112023434.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43432021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6208178 + ... + 6215169.

It is an arithmetic number, because the mean of its divisors is an integer number (2795253300).

Almost surely, 2^43432021112 is an apocalyptic number.

It is an amenable number.

43432021112 is an abundant number, since it is smaller than the sum of its proper divisors (46016084488).

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

43432021112 is a wasteful number, since it uses less digits than its factorization.

43432021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423395 (or 12423391 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 43432021112 its reverse (21112023434), we get a palindrome (64544044546).

The spelling of 43432021112 in words is "forty-three billion, four hundred thirty-two million, twenty-one thousand, one hundred twelve".