1223323232 has 48 divisors (see below), whose sum is σ = 2481418800. Its totient is φ = 593295360.

The previous prime is 1223323223. The next prime is 1223323237. The reversal of 1223323232 is 2323233221.

It is a junction number, because it is equal to n+sod(n) for n = 1223323198 and 1223323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223323237) 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, 232244 + ... + 237452.

It is an arithmetic number, because the mean of its divisors is an integer number (51696225).

Almost surely, 2^1223323232 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 1223323232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240709400).

1223323232 is an abundant number, since it is smaller than the sum of its proper divisors (1258095568).

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

1223323232 is a wasteful number, since it uses less digits than its factorization.

1223323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5431 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 1223323232 is about 34976.0379688723. The cubic root of 1223323232 is about 1069.4990615222.

Adding to 1223323232 its reverse (2323233221), we get a palindrome (3546556453).

The spelling of 1223323232 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, two hundred thirty-two".