43040223311 has 16 divisors (see below), whose sum is σ = 45271070208. Its totient is φ = 40840615200.

The previous prime is 43040223301. The next prime is 43040223337. The reversal of 43040223311 is 11332204034.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43040223311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040223301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495025 + ... + 1523541.

It is an arithmetic number, because the mean of its divisors is an integer number (2829441888).

Almost surely, 2^43040223311 is an apocalyptic number.

43040223311 is a deficient number, since it is larger than the sum of its proper divisors (2230846897).

43040223311 is a wasteful number, since it uses less digits than its factorization.

43040223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29062.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43040223311 its reverse (11332204034), we get a palindrome (54372427345).

The spelling of 43040223311 in words is "forty-three billion, forty million, two hundred twenty-three thousand, three hundred eleven".