1223001324 has 72 divisors (see below), whose sum is σ = 3175557840. Its totient is φ = 396720000.

The previous prime is 1223001323. The next prime is 1223001343. The reversal of 1223001324 is 4231003221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1223001297 and 1223001306.

It is not an unprimeable number, because it can be changed into a prime (1223001323) 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, 211674 + ... + 217374.

It is an arithmetic number, because the mean of its divisors is an integer number (44104970).

Almost surely, 2^1223001324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223001324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587778920).

1223001324 is an abundant number, since it is smaller than the sum of its proper divisors (1952556516).

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

1223001324 is a wasteful number, since it uses less digits than its factorization.

1223001324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1223001324 is about 34971.4358298312. The cubic root of 1223001324 is about 1069.4052431708.

Adding to 1223001324 its reverse (4231003221), we get a palindrome (5454004545).

The spelling of 1223001324 in words is "one billion, two hundred twenty-three million, one thousand, three hundred twenty-four".