43304423013 has 8 divisors (see below), whose sum is σ = 64154700800. Its totient is φ = 28869615324.

The previous prime is 43304423011. The next prime is 43304423053. The reversal of 43304423013 is 31032440334.

It is not a de Polignac number, because 43304423013 - 2¹ = 43304423011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1603867519 = 43304423013 / (4 + 3 + 3 + 0 + 4 + 4 + 2 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43304423011) 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, 801933733 + ... + 801933786.

It is an arithmetic number, because the mean of its divisors is an integer number (8019337600).

Almost surely, 2^43304423013 is an apocalyptic number.

It is an amenable number.

43304423013 is a deficient number, since it is larger than the sum of its proper divisors (20850277787).

43304423013 is a wasteful number, since it uses less digits than its factorization.

43304423013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603867528 (or 1603867522 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43304423013 its reverse (31032440334), we get a palindrome (74336863347).

The spelling of 43304423013 in words is "forty-three billion, three hundred four million, four hundred twenty-three thousand, thirteen".