43023043213 has 4 divisors (see below), whose sum is σ = 43026698880. Its totient is φ = 43019387548.

The previous prime is 43023043201. The next prime is 43023043237. The reversal of 43023043213 is 31234032034.

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.

It is a cyclic number.

It is not a de Polignac number, because 43023043213 - 2⁵ = 43023043181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43023043013) 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, 1810123 + ... + 1833736.

It is an arithmetic number, because the mean of its divisors is an integer number (10756674720).

Almost surely, 2^43023043213 is an apocalyptic number.

It is an amenable number.

43023043213 is a deficient number, since it is larger than the sum of its proper divisors (3655667).

43023043213 is a wasteful number, since it uses less digits than its factorization.

43023043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655666.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 43023043213 its reverse (31234032034), we get a palindrome (74257075247).

The spelling of 43023043213 in words is "forty-three billion, twenty-three million, forty-three thousand, two hundred thirteen".