43081223085959 has 2 divisors, whose sum is σ = 43081223085960. Its totient is φ = 43081223085958.

The previous prime is 43081223085917. The next prime is 43081223085973. The reversal of 43081223085959 is 95958032218034.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43081223085959 - 2¹² = 43081223081863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43081223085898 and 43081223085907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43081223082959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21540611542979 + 21540611542980.

It is an arithmetic number, because the mean of its divisors is an integer number (21540611542980).

Almost surely, 2^{43081223085959} is an apocalyptic number.

43081223085959 is a deficient number, since it is larger than the sum of its proper divisors (1).

43081223085959 is an equidigital number, since it uses as much as digits as its factorization.

43081223085959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 43081223085959 in words is "forty-three trillion, eighty-one billion, two hundred twenty-three million, eighty-five thousand, nine hundred fifty-nine".