2040006523 has 2 divisors, whose sum is σ = 2040006524. Its totient is φ = 2040006522.

The previous prime is 2040006509. The next prime is 2040006533. The reversal of 2040006523 is 3256000402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040006523 - 2⁹ = 2040006011 is a prime.

It is a super-2 number, since 2×2040006523² = 8323253227765099058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040006494 and 2040006503.

It is not a weakly prime, because it can be changed into another prime (2040006533) 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, 1020003261 + 1020003262.

It is an arithmetic number, because the mean of its divisors is an integer number (1020003262).

Almost surely, 2^2040006523 is an apocalyptic number.

2040006523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040006523 is an equidigital number, since it uses as much as digits as its factorization.

2040006523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2040006523 is about 45166.4313733109. The cubic root of 2040006523 is about 1268.2664928555.

Adding to 2040006523 its reverse (3256000402), we get a palindrome (5296006925).

The spelling of 2040006523 in words is "two billion, forty million, six thousand, five hundred twenty-three".