401421223 has 8 divisors (see below), whose sum is σ = 459042848. Its totient is φ = 343868544.

The previous prime is 401421217. The next prime is 401421247. The reversal of 401421223 is 322124104.

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 401421223 - 2¹³ = 401413031 is a prime.

It is a super-2 number, since 2×401421223² = 322277996549631458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401421223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086 + ... + 28627.

It is an arithmetic number, because the mean of its divisors is an integer number (57380356).

Almost surely, 2^401421223 is an apocalyptic number.

401421223 is a deficient number, since it is larger than the sum of its proper divisors (57621625).

401421223 is a wasteful number, since it uses less digits than its factorization.

401421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34473.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401421223 is about 20035.4990704000. The cubic root of 401421223 is about 737.6779066350.

Adding to 401421223 its reverse (322124104), we get a palindrome (723545327).

The spelling of 401421223 in words is "four hundred one million, four hundred twenty-one thousand, two hundred twenty-three".