43204343023 has 4 divisors (see below), whose sum is σ = 43623802768. Its totient is φ = 42784883280.

The previous prime is 43204343003. The next prime is 43204343081. The reversal of 43204343023 is 32034340234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43204343023 - 2³³ = 34614408431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43204342982 and 43204343000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43204343003) 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, 209729718 + ... + 209729923.

It is an arithmetic number, because the mean of its divisors is an integer number (10905950692).

Almost surely, 2^43204343023 is an apocalyptic number.

43204343023 is a deficient number, since it is larger than the sum of its proper divisors (419459745).

43204343023 is a wasteful number, since it uses less digits than its factorization.

43204343023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419459744.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 43204343023 its reverse (32034340234), we get a palindrome (75238683257).

The spelling of 43204343023 in words is "forty-three billion, two hundred four million, three hundred forty-three thousand, twenty-three".