401423212 has 24 divisors (see below), whose sum is σ = 724290336. Its totient is φ = 194525568.

The previous prime is 401423207. The next prime is 401423213. The reversal of 401423212 is 212324104.

It is a super-2 number, since 2×401423212² = 322281190264793888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401423212.

It is not an unprimeable number, because it can be changed into a prime (401423213) 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, 33768 + ... + 44080.

It is an arithmetic number, because the mean of its divisors is an integer number (30178764).

Almost surely, 2^401423212 is an apocalyptic number.

It is an amenable number.

401423212 is a deficient number, since it is larger than the sum of its proper divisors (322867124).

401423212 is a wasteful number, since it uses less digits than its factorization.

401423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617 (or 10615 counting only the distinct ones).

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

The square root of 401423212 is about 20035.5487072353. The cubic root of 401423212 is about 737.6791250051.

Adding to 401423212 its reverse (212324104), we get a palindrome (613747316).

The spelling of 401423212 in words is "four hundred one million, four hundred twenty-three thousand, two hundred twelve".