400600323 has 24 divisors (see below), whose sum is σ = 601077568. Its totient is φ = 266621544.

The previous prime is 400600307. The next prime is 400600327. The reversal of 400600323 is 323006004.

400600323 is a `hidden beast` number, since 40 + 0 + 600 + 3 + 23 = 666.

It is not a de Polignac number, because 400600323 - 2⁴ = 400600307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400600296 and 400600305.

It is not an unprimeable number, because it can be changed into a prime (400600327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213636 + ... + 215502.

Almost surely, 2^400600323 is an apocalyptic number.

400600323 is a deficient number, since it is larger than the sum of its proper divisors (200477245).

400600323 is an equidigital number, since it uses as much as digits as its factorization.

400600323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 400600323 is about 20015.0024481637. The cubic root of 400600323 is about 737.1747169553.

Adding to 400600323 its reverse (323006004), we get a palindrome (723606327).

The spelling of 400600323 in words is "four hundred million, six hundred thousand, three hundred twenty-three".