2104006523 has 2 divisors, whose sum is σ = 2104006524. Its totient is φ = 2104006522.

The previous prime is 2104006519. The next prime is 2104006537. The reversal of 2104006523 is 3256004012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104006523 - 2² = 2104006519 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104006573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052003261 + 1052003262.

It is an arithmetic number, because the mean of its divisors is an integer number (1052003262).

Almost surely, 2^2104006523 is an apocalyptic number.

2104006523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104006523 is an equidigital number, since it uses as much as digits as its factorization.

2104006523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2104006523 is about 45869.4508687427. The cubic root of 2104006523 is about 1281.3930396623.

The spelling of 2104006523 in words is "two billion, one hundred four million, six thousand, five hundred twenty-three".