404212323 has 8 divisors (see below), whose sum is σ = 540179200. Its totient is φ = 268860168.

The previous prime is 404212321. The next prime is 404212337. The reversal of 404212323 is 323212404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404212323 - 2¹ = 404212321 is a prime.

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 404212323.

It is not an unprimeable number, because it can be changed into a prime (404212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152143 + ... + 154776.

It is an arithmetic number, because the mean of its divisors is an integer number (67522400).

Almost surely, 2^404212323 is an apocalyptic number.

404212323 is a deficient number, since it is larger than the sum of its proper divisors (135966877).

404212323 is a wasteful number, since it uses less digits than its factorization.

404212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307361.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404212323 is about 20105.0322805013. The cubic root of 404212323 is about 739.3836619899.

Adding to 404212323 its reverse (323212404), we get a palindrome (727424727).

The spelling of 404212323 in words is "four hundred four million, two hundred twelve thousand, three hundred twenty-three".