1223020330 has 64 divisors (see below), whose sum is σ = 2572416000. Its totient is φ = 410012928.

The previous prime is 1223020303. The next prime is 1223020361. The reversal of 1223020330 is 330203221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601756 + ... + 603784.

It is an arithmetic number, because the mean of its divisors is an integer number (40194000).

Almost surely, 2^1223020330 is an apocalyptic number.

1223020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223020330 is an abundant number, since it is smaller than the sum of its proper divisors (1349395670).

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

1223020330 is a wasteful number, since it uses less digits than its factorization.

1223020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1223020330 is about 34971.7075648302. The cubic root of 1223020330 is about 1069.4107828243.

Adding to 1223020330 its reverse (330203221), we get a palindrome (1553223551).

The spelling of 1223020330 in words is "one billion, two hundred twenty-three million, twenty thousand, three hundred thirty".