104453243523 has 8 divisors (see below), whose sum is σ = 154745546000. Its totient is φ = 69635495664.

The previous prime is 104453243519. The next prime is 104453243551. The reversal of 104453243523 is 325342354401.

104453243523 is a `hidden beast` number, since 1 + 0 + 44 + 53 + 2 + 43 + 523 = 666.

It is not a de Polignac number, because 104453243523 - 2² = 104453243519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104453243563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934319298 + ... + 1934319351.

It is an arithmetic number, because the mean of its divisors is an integer number (19343193250).

Almost surely, 2^104453243523 is an apocalyptic number.

104453243523 is a deficient number, since it is larger than the sum of its proper divisors (50292302477).

104453243523 is an equidigital number, since it uses as much as digits as its factorization.

104453243523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868638658 (or 3868638652 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 104453243523 its reverse (325342354401), we get a palindrome (429795597924).

The spelling of 104453243523 in words is "one hundred four billion, four hundred fifty-three million, two hundred forty-three thousand, five hundred twenty-three".