401023444344423 has 16 divisors (see below), whose sum is σ = 547379997436800. Its totient is φ = 261013546077984.

The previous prime is 401023444344407. The next prime is 401023444344461. The reversal of 401023444344423 is 324443444320104.

It is not a de Polignac number, because 401023444344423 - 2⁴ = 401023444344407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401023444344473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702088873 + ... + 702659826.

It is an arithmetic number, because the mean of its divisors is an integer number (34211249839800).

Almost surely, 2^{401023444344423} is an apocalyptic number.

401023444344423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

401023444344423 is a deficient number, since it is larger than the sum of its proper divisors (146356553092377).

401023444344423 is a wasteful number, since it uses less digits than its factorization.

401023444344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404750958.

The product of its (nonzero) digits is 1769472, while the sum is 42.

Adding to 401023444344423 its reverse (324443444320104), we get a palindrome (725466888664527).

The spelling of 401023444344423 in words is "four hundred one trillion, twenty-three billion, four hundred forty-four million, three hundred forty-four thousand, four hundred twenty-three".