40204102213523 has 2 divisors, whose sum is σ = 40204102213524. Its totient is φ = 40204102213522.

The previous prime is 40204102213501. The next prime is 40204102213553. The reversal of 40204102213523 is 32531220140204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40204102213523 - 2⁸ = 40204102213267 is a prime.

It is not a weakly prime, because it can be changed into another prime (40204102213553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102051106761 + 20102051106762.

It is an arithmetic number, because the mean of its divisors is an integer number (20102051106762).

Almost surely, 2^{40204102213523} is an apocalyptic number.

40204102213523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40204102213523 is an equidigital number, since it uses as much as digits as its factorization.

40204102213523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40204102213523 its reverse (32531220140204), we get a palindrome (72735322353727).

The spelling of 40204102213523 in words is "forty trillion, two hundred four billion, one hundred two million, two hundred thirteen thousand, five hundred twenty-three".