403422323 has 4 divisors (see below), whose sum is σ = 420962448. Its totient is φ = 385882200.

The previous prime is 403422293. The next prime is 403422347. The reversal of 403422323 is 323224304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403422323 - 2¹⁰ = 403421299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 17540101 = 403422323 / (4 + 0 + 3 + 4 + 2 + 2 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403422023) 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, 8770028 + ... + 8770073.

It is an arithmetic number, because the mean of its divisors is an integer number (105240612).

Almost surely, 2^403422323 is an apocalyptic number.

403422323 is a deficient number, since it is larger than the sum of its proper divisors (17540125).

403422323 is a wasteful number, since it uses less digits than its factorization.

403422323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540124.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 403422323 is about 20085.3758491097. The cubic root of 403422323 is about 738.9016594983.

Adding to 403422323 its reverse (323224304), we get a palindrome (726646627).

The spelling of 403422323 in words is "four hundred three million, four hundred twenty-two thousand, three hundred twenty-three".