1323221234 has 8 divisors (see below), whose sum is σ = 2071128960. Its totient is φ = 632844916.

The previous prime is 1323221219. The next prime is 1323221239. The reversal of 1323221234 is 4321223231.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1323221239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14382794 + ... + 14382885.

It is an arithmetic number, because the mean of its divisors is an integer number (258891120).

Almost surely, 2^1323221234 is an apocalyptic number.

1323221234 is a deficient number, since it is larger than the sum of its proper divisors (747907726).

1323221234 is a wasteful number, since it uses less digits than its factorization.

1323221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28765704.

The product of its digits is 1728, while the sum is 23.

The square root of 1323221234 is about 36376.1080106160. The cubic root of 1323221234 is about 1097.8529010430.

Adding to 1323221234 its reverse (4321223231), we get a palindrome (5644444465).

The spelling of 1323221234 in words is "one billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-four".