1323223236 has 48 divisors (see below), whose sum is σ = 3434719680. Its totient is φ = 440542080.

The previous prime is 1323223199. The next prime is 1323223241. The reversal of 1323223236 is 6323223231.

1323223236 is a `hidden beast` number, since 13 + 2 + 322 + 323 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88195 + ... + 102101.

It is an arithmetic number, because the mean of its divisors is an integer number (71556660).

Almost surely, 2^1323223236 is an apocalyptic number.

It is an amenable number.

1323223236 is an abundant number, since it is smaller than the sum of its proper divisors (2111496444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323223236 is a wasteful number, since it uses less digits than its factorization.

1323223236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801 (or 14793 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 1323223236 is about 36376.1355286677. The cubic root of 1323223236 is about 1097.8534547172.

Adding to 1323223236 its reverse (6323223231), we get a palindrome (7646446467).

The spelling of 1323223236 in words is "one billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty-six".