43781482523 has 2 divisors, whose sum is σ = 43781482524. Its totient is φ = 43781482522.

The previous prime is 43781482519. The next prime is 43781482531. The reversal of 43781482523 is 32528418734.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43781482523 - 2² = 43781482519 is a prime.

It is not a weakly prime, because it can be changed into another prime (43781482513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21890741261 + 21890741262.

It is an arithmetic number, because the mean of its divisors is an integer number (21890741262).

Almost surely, 2^43781482523 is an apocalyptic number.

43781482523 is a deficient number, since it is larger than the sum of its proper divisors (1).

43781482523 is an equidigital number, since it uses as much as digits as its factorization.

43781482523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 47.

The spelling of 43781482523 in words is "forty-three billion, seven hundred eighty-one million, four hundred eighty-two thousand, five hundred twenty-three".