43012421323431 has 8 divisors (see below), whose sum is σ = 65542737254784. Its totient is φ = 24578526470520.

The previous prime is 43012421323387. The next prime is 43012421323451. The reversal of 43012421323431 is 13432312421034.

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

It is not a de Polignac number, because 43012421323431 - 2⁷ = 43012421323303 is a prime.

It is a super-2 number, since 2×43012421323431² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43012421323392 and 43012421323401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012421323451) 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, 1024105269585 + ... + 1024105269626.

It is an arithmetic number, because the mean of its divisors is an integer number (8192842156848).

Almost surely, 2^{43012421323431} is an apocalyptic number.

43012421323431 is a deficient number, since it is larger than the sum of its proper divisors (22530315931353).

43012421323431 is a wasteful number, since it uses less digits than its factorization.

43012421323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048210539221.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 43012421323431 its reverse (13432312421034), we get a palindrome (56444733744465).

The spelling of 43012421323431 in words is "forty-three trillion, twelve billion, four hundred twenty-one million, three hundred twenty-three thousand, four hundred thirty-one".