43123480369049 has 2 divisors, whose sum is σ = 43123480369050. Its totient is φ = 43123480369048.

The previous prime is 43123480369009. The next prime is 43123480369087. The reversal of 43123480369049 is 94096308432134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39608230359049 + 3515250010000 = 6293507^2 + 1874900^2 .

It is a cyclic number.

It is not a de Polignac number, because 43123480369049 - 2²⁰ = 43123479320473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43123480368985 and 43123480369003.

It is not a weakly prime, because it can be changed into another prime (43123480369009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561740184524 + 21561740184525.

It is an arithmetic number, because the mean of its divisors is an integer number (21561740184525).

Almost surely, 2^{43123480369049} is an apocalyptic number.

It is an amenable number.

43123480369049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43123480369049 is an equidigital number, since it uses as much as digits as its factorization.

43123480369049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 43123480369049 in words is "forty-three trillion, one hundred twenty-three billion, four hundred eighty million, three hundred sixty-nine thousand, forty-nine".