404123053255247 has 2 divisors, whose sum is σ = 404123053255248. Its totient is φ = 404123053255246.

The previous prime is 404123053255177. The next prime is 404123053255249. The reversal of 404123053255247 is 742552350321404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404123053255247 - 2³⁰ = 404121979513423 is a prime.

Together with 404123053255249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404123053255249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202061526627623 + 202061526627624.

It is an arithmetic number, because the mean of its divisors is an integer number (202061526627624).

Almost surely, 2^{404123053255247} is an apocalyptic number.

404123053255247 is a deficient number, since it is larger than the sum of its proper divisors (1).

404123053255247 is an equidigital number, since it uses as much as digits as its factorization.

404123053255247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 404123053255247 in words is "four hundred four trillion, one hundred twenty-three billion, fifty-three million, two hundred fifty-five thousand, two hundred forty-seven".