400223324 has 12 divisors (see below), whose sum is σ = 700531104. Its totient is φ = 200071584.

The previous prime is 400223321. The next prime is 400223357. The reversal of 400223324 is 423322004.

It is a junction number, because it is equal to n+sod(n) for n = 400223296 and 400223305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400223321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32429 + ... + 43035.

It is an arithmetic number, because the mean of its divisors is an integer number (58377592).

Almost surely, 2^400223324 is an apocalyptic number.

It is an amenable number.

400223324 is a deficient number, since it is larger than the sum of its proper divisors (300307780).

400223324 is a wasteful number, since it uses less digits than its factorization.

400223324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044 (or 20042 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 400223324 is about 20005.5823209423. The cubic root of 400223324 is about 736.9433963255.

Adding to 400223324 its reverse (423322004), we get a palindrome (823545328).

The spelling of 400223324 in words is "four hundred million, two hundred twenty-three thousand, three hundred twenty-four".