40815452423 has 2 divisors, whose sum is σ = 40815452424. Its totient is φ = 40815452422.

The previous prime is 40815452413. The next prime is 40815452429. The reversal of 40815452423 is 32425451804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40815452423 - 2²² = 40811258119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40815452429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407726211 + 20407726212.

It is an arithmetic number, because the mean of its divisors is an integer number (20407726212).

Almost surely, 2^40815452423 is an apocalyptic number.

40815452423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40815452423 is an equidigital number, since it uses as much as digits as its factorization.

40815452423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 40815452423 in words is "forty billion, eight hundred fifteen million, four hundred fifty-two thousand, four hundred twenty-three".