1223310223020 has 192 divisors, whose sum is σ = 3726599224320. Its totient is φ = 298777310208.

The previous prime is 1223310223019. The next prime is 1223310223027. The reversal of 1223310223020 is 203220133221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1223310223027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6529897 + ... + 6714623.

It is an arithmetic number, because the mean of its divisors is an integer number (19409370960).

Almost surely, 2^{1223310223020} is an apocalyptic number.

1223310223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223310223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863299612160).

1223310223020 is an abundant number, since it is smaller than the sum of its proper divisors (2503289001300).

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

1223310223020 is a wasteful number, since it uses less digits than its factorization.

1223310223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184952 (or 184950 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223310223020 its reverse (203220133221), we get a palindrome (1426530356241).

The spelling of 1223310223020 in words is "one trillion, two hundred twenty-three billion, three hundred ten million, two hundred twenty-three thousand, twenty".