401001144423 has 16 divisors (see below), whose sum is σ = 584040886272. Its totient is φ = 242711624000.

The previous prime is 401001144413. The next prime is 401001144431. The reversal of 401001144423 is 324441100104.

It is a cyclic number.

It is not a de Polignac number, because 401001144423 - 2⁴ = 401001144407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401001144393 and 401001144402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401001144413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7958823 + ... + 8009048.

It is an arithmetic number, because the mean of its divisors is an integer number (36502555392).

Almost surely, 2^401001144423 is an apocalyptic number.

401001144423 is a deficient number, since it is larger than the sum of its proper divisors (183039741849).

401001144423 is a wasteful number, since it uses less digits than its factorization.

401001144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15968646.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 401001144423 its reverse (324441100104), we get a palindrome (725442244527).

The spelling of 401001144423 in words is "four hundred one billion, one million, one hundred forty-four thousand, four hundred twenty-three".