43123632047 has 2 divisors, whose sum is σ = 43123632048. Its totient is φ = 43123632046.

The previous prime is 43123632011. The next prime is 43123632163. The reversal of 43123632047 is 74023632134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43123632047 - 2¹⁴ = 43123615663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43123631998 and 43123632016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43123632347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561816023 + 21561816024.

It is an arithmetic number, because the mean of its divisors is an integer number (21561816024).

Almost surely, 2^43123632047 is an apocalyptic number.

43123632047 is a deficient number, since it is larger than the sum of its proper divisors (1).

43123632047 is an equidigital number, since it uses as much as digits as its factorization.

43123632047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 43123632047 in words is "forty-three billion, one hundred twenty-three million, six hundred thirty-two thousand, forty-seven".