1023103003020 has 192 divisors, whose sum is σ = 3296594595840. Its totient is φ = 232235465472.

The previous prime is 1023103002991. The next prime is 1023103003033. The reversal of 1023103003020 is 203003013201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99878019 + ... + 99888261.

It is an arithmetic number, because the mean of its divisors is an integer number (17169763520).

Almost surely, 2^{1023103003020} is an apocalyptic number.

1023103003020 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 1023103003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648297297920).

1023103003020 is an abundant number, since it is smaller than the sum of its proper divisors (2273491592820).

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

1023103003020 is a wasteful number, since it uses less digits than its factorization.

1023103003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 11882 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1023103003020 its reverse (203003013201), we get a palindrome (1226106016221).

The spelling of 1023103003020 in words is "one trillion, twenty-three billion, one hundred three million, three thousand, twenty".