43243402311 has 32 divisors (see below), whose sum is σ = 65816997120. Its totient is φ = 28040725152.

The previous prime is 43243402297. The next prime is 43243402313. The reversal of 43243402311 is 11320434234.

43243402311 is a `hidden beast` number, since 4 + 3 + 2 + 4 + 340 + 2 + 311 = 666.

It is not a de Polignac number, because 43243402311 - 2¹⁰ = 43243401287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243402313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4633696 + ... + 4643018.

It is an arithmetic number, because the mean of its divisors is an integer number (2056781160).

Almost surely, 2^43243402311 is an apocalyptic number.

43243402311 is a deficient number, since it is larger than the sum of its proper divisors (22573594809).

43243402311 is a wasteful number, since it uses less digits than its factorization.

43243402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012 (or 14006 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43243402311 its reverse (11320434234), we get a palindrome (54563836545).

The spelling of 43243402311 in words is "forty-three billion, two hundred forty-three million, four hundred two thousand, three hundred eleven".