404244230122387 has 2 divisors, whose sum is σ = 404244230122388. Its totient is φ = 404244230122386.

The previous prime is 404244230122333. The next prime is 404244230122409. The reversal of 404244230122387 is 783221032442404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404244230122387 - 2³¹ = 404242082638739 is a prime.

It is not a weakly prime, because it can be changed into another prime (404244230122307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202122115061193 + 202122115061194.

It is an arithmetic number, because the mean of its divisors is an integer number (202122115061194).

Almost surely, 2^{404244230122387} is an apocalyptic number.

404244230122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

404244230122387 is an equidigital number, since it uses as much as digits as its factorization.

404244230122387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 46.

The spelling of 404244230122387 in words is "four hundred four trillion, two hundred forty-four billion, two hundred thirty million, one hundred twenty-two thousand, three hundred eighty-seven".