401311223 has 8 divisors (see below), whose sum is σ = 404731920. Its totient is φ = 397897920.

The previous prime is 401311219. The next prime is 401311247. The reversal of 401311223 is 322113104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401311223 - 2² = 401311219 is a prime.

It is a super-2 number, since 2×401311223² = 322101395411511458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175733 + ... + 178001.

It is an arithmetic number, because the mean of its divisors is an integer number (50591490).

Almost surely, 2^401311223 is an apocalyptic number.

401311223 is a deficient number, since it is larger than the sum of its proper divisors (3420697).

401311223 is a wasteful number, since it uses less digits than its factorization.

401311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 401311223 is about 20032.7537547887. The cubic root of 401311223 is about 737.6105194133.

Adding to 401311223 its reverse (322113104), we get a palindrome (723424327).

The spelling of 401311223 in words is "four hundred one million, three hundred eleven thousand, two hundred twenty-three".