1021323230000 has 100 divisors (see below), whose sum is σ = 2489105018928. Its totient is φ = 405823200000.

The previous prime is 1021323229991. The next prime is 1021323230111. The reversal of 1021323230000 is 323231201.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1021323230000² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1171814 + ... + 1848186.

Almost surely, 2^{1021323230000} is an apocalyptic number.

1021323230000 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 1021323230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244552509464).

1021323230000 is an abundant number, since it is smaller than the sum of its proper divisors (1467781788928).

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

1021323230000 is an equidigital number, since it uses as much as digits as its factorization.

1021323230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676552 (or 676531 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1021323230000 its reverse (323231201), we get a palindrome (1021646461201).

The spelling of 1021323230000 in words is "one trillion, twenty-one billion, three hundred twenty-three million, two hundred thirty thousand".