401322003 has 16 divisors (see below), whose sum is σ = 538847232. Its totient is φ = 265680000.

The previous prime is 401321929. The next prime is 401322013. The reversal of 401322003 is 300223104.

It is not a de Polignac number, because 401322003 - 2⁸ = 401321747 is a prime.

It is a super-2 number, since 2×401322003² = 322118700183864018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401322013) 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, 325398 + ... + 326628.

It is an arithmetic number, because the mean of its divisors is an integer number (33677952).

Almost surely, 2^401322003 is an apocalyptic number.

401322003 is a deficient number, since it is larger than the sum of its proper divisors (137525229).

401322003 is a wasteful number, since it uses less digits than its factorization.

401322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 401322003 is about 20033.0228123466. The cubic root of 401322003 is about 737.6171239053.

Adding to 401322003 its reverse (300223104), we get a palindrome (701545107).

The spelling of 401322003 in words is "four hundred one million, three hundred twenty-two thousand, three".