2104003523 has 2 divisors, whose sum is σ = 2104003524. Its totient is φ = 2104003522.

The previous prime is 2104003507. The next prime is 2104003541. The reversal of 2104003523 is 3253004012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104003523 - 2⁴ = 2104003507 is a prime.

It is a super-4 number, since 4×2104003523⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104003495 and 2104003504.

It is not a weakly prime, because it can be changed into another prime (2104003553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052001761 + 1052001762.

It is an arithmetic number, because the mean of its divisors is an integer number (1052001762).

Almost surely, 2^2104003523 is an apocalyptic number.

2104003523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104003523 is an equidigital number, since it uses as much as digits as its factorization.

2104003523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2104003523 is about 45869.4181672277. The cubic root of 2104003523 is about 1281.3924306368.

Adding to 2104003523 its reverse (3253004012), we get a palindrome (5357007535).

The spelling of 2104003523 in words is "two billion, one hundred four million, three thousand, five hundred twenty-three".