4405123432487 has 2 divisors, whose sum is σ = 4405123432488. Its totient is φ = 4405123432486.

The previous prime is 4405123432439. The next prime is 4405123432531. The reversal of 4405123432487 is 7842343215044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405123432487 is a prime.

It is a super-2 number, since 2×4405123432487² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4405123432427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202561716243 + 2202561716244.

It is an arithmetic number, because the mean of its divisors is an integer number (2202561716244).

Almost surely, 2^{4405123432487} is an apocalyptic number.

4405123432487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405123432487 is an equidigital number, since it uses as much as digits as its factorization.

4405123432487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 4405123432487 in words is "four trillion, four hundred five billion, one hundred twenty-three million, four hundred thirty-two thousand, four hundred eighty-seven".