401423211 has 12 divisors (see below), whose sum is σ = 662666992. Its totient is φ = 229384656.

The previous prime is 401423207. The next prime is 401423213. The reversal of 401423211 is 112324104.

It is not a de Polignac number, because 401423211 - 2² = 401423207 is a prime.

It is a super-2 number, since 2×401423211² = 322281188659101042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401423213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3185836 + ... + 3185961.

Almost surely, 2^401423211 is an apocalyptic number.

401423211 is a deficient number, since it is larger than the sum of its proper divisors (261243781).

401423211 is a wasteful number, since it uses less digits than its factorization.

401423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371810 (or 6371807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401423211 is about 20035.5486822797. The cubic root of 401423211 is about 737.6791243926.

Adding to 401423211 its reverse (112324104), we get a palindrome (513747315).

It can be divided in two parts, 4014 and 23211, that added together give a square (27225 = 165²).

The spelling of 401423211 in words is "four hundred one million, four hundred twenty-three thousand, two hundred eleven".