43212344401 has 4 divisors (see below), whose sum is σ = 44131756032. Its totient is φ = 42292932772.

The previous prime is 43212344369. The next prime is 43212344407. The reversal of 43212344401 is 10444321234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10444321234 = 2 ⋅5222160617.

It is a cyclic number.

It is not a de Polignac number, because 43212344401 - 2⁵ = 43212344369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43212344401.

It is not an unprimeable number, because it can be changed into a prime (43212344407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459705745 + ... + 459705838.

It is an arithmetic number, because the mean of its divisors is an integer number (11032939008).

Almost surely, 2^43212344401 is an apocalyptic number.

It is an amenable number.

43212344401 is a deficient number, since it is larger than the sum of its proper divisors (919411631).

43212344401 is an equidigital number, since it uses as much as digits as its factorization.

43212344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919411630.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43212344401 its reverse (10444321234), we get a palindrome (53656665635).

The spelling of 43212344401 in words is "forty-three billion, two hundred twelve million, three hundred forty-four thousand, four hundred one".