43402120232 has 32 divisors (see below), whose sum is σ = 86177286720. Its totient is φ = 20421845760.

The previous prime is 43402120231. The next prime is 43402120241. The reversal of 43402120232 is 23202120434.

43402120232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43402120198 and 43402120207.

It is not an unprimeable number, because it can be changed into a prime (43402120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345007 + ... + 1376897.

It is an arithmetic number, because the mean of its divisors is an integer number (2693040210).

Almost surely, 2^43402120232 is an apocalyptic number.

It is an amenable number.

43402120232 is a deficient number, since it is larger than the sum of its proper divisors (42775166488).

43402120232 is a wasteful number, since it uses less digits than its factorization.

43402120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41921 (or 41917 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43402120232 its reverse (23202120434), we get a palindrome (66604240666).

The spelling of 43402120232 in words is "forty-three billion, four hundred two million, one hundred twenty thousand, two hundred thirty-two".