401504323 has 4 divisors (see below), whose sum is σ = 438004728. Its totient is φ = 365003920.

The previous prime is 401504291. The next prime is 401504359. The reversal of 401504323 is 323405104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401504323 - 2⁵ = 401504291 is a prime.

It is a super-2 number, since 2×401504323² = 322411442775376658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401504294 and 401504303.

It is not an unprimeable number, because it can be changed into a prime (401504423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18250186 + ... + 18250207.

It is an arithmetic number, because the mean of its divisors is an integer number (109501182).

Almost surely, 2^401504323 is an apocalyptic number.

401504323 is a deficient number, since it is larger than the sum of its proper divisors (36500405).

401504323 is a wasteful number, since it uses less digits than its factorization.

401504323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36500404.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 401504323 is about 20037.5727821510. The cubic root of 401504323 is about 737.7288064554.

Adding to 401504323 its reverse (323405104), we get a palindrome (724909427).

The spelling of 401504323 in words is "four hundred one million, five hundred four thousand, three hundred twenty-three".