1223103230020 has 48 divisors (see below), whose sum is σ = 2935614705408. Its totient is φ = 419325828480.

The previous prime is 1223103229987. The next prime is 1223103230051. The reversal of 1223103230020 is 200323013221.

It is a super-2 number, since 2×1223103230020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223103230020.

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, 2316105 + ... + 2794735.

It is an arithmetic number, because the mean of its divisors is an integer number (61158639696).

Almost surely, 2^{1223103230020} is an apocalyptic number.

1223103230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223103230020 is an abundant number, since it is smaller than the sum of its proper divisors (1712511475388).

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

1223103230020 is a wasteful number, since it uses less digits than its factorization.

1223103230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496900 (or 496898 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1223103230020 its reverse (200323013221), we get a palindrome (1423426243241).

The spelling of 1223103230020 in words is "one trillion, two hundred twenty-three billion, one hundred three million, two hundred thirty thousand, twenty".