43340423234 has 8 divisors (see below), whose sum is σ = 65478337680. Its totient is φ = 21514310676.

The previous prime is 43340423227. The next prime is 43340423257. The reversal of 43340423234 is 43232404334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43340423234² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43340423234.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 77950124 + ... + 77950679.

It is an arithmetic number, because the mean of its divisors is an integer number (8184792210).

Almost surely, 2^43340423234 is an apocalyptic number.

43340423234 is a deficient number, since it is larger than the sum of its proper divisors (22137914446).

43340423234 is a wasteful number, since it uses less digits than its factorization.

43340423234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155900944.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 43340423234 its reverse (43232404334), we get a palindrome (86572827568).

The spelling of 43340423234 in words is "forty-three billion, three hundred forty million, four hundred twenty-three thousand, two hundred thirty-four".