43081223610247 has 2 divisors, whose sum is σ = 43081223610248. Its totient is φ = 43081223610246.

The previous prime is 43081223610197. The next prime is 43081223610283. The reversal of 43081223610247 is 74201632218034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43081223610247 - 2¹⁹ = 43081223085959 is a prime.

It is a super-2 number, since 2×43081223610247² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43081223610287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21540611805123 + 21540611805124.

It is an arithmetic number, because the mean of its divisors is an integer number (21540611805124).

Almost surely, 2^{43081223610247} is an apocalyptic number.

43081223610247 is a deficient number, since it is larger than the sum of its proper divisors (1).

43081223610247 is an equidigital number, since it uses as much as digits as its factorization.

43081223610247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 43081223610247 in words is "forty-three trillion, eighty-one billion, two hundred twenty-three million, six hundred ten thousand, two hundred forty-seven".