1023321132300 has 144 divisors (see below), whose sum is σ = 3069253555200. Its totient is φ = 263028637440.

The previous prime is 1023321132293. The next prime is 1023321132311. The reversal of 1023321132300 is 32311233201.

It is a super-2 number, since 2×1023321132300² (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 47 ways as a sum of consecutive naturals, for example, 756901 + ... + 1618499.

It is an arithmetic number, because the mean of its divisors is an integer number (21314260800).

Almost surely, 2^{1023321132300} is an apocalyptic number.

1023321132300 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 1023321132300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534626777600).

1023321132300 is an abundant number, since it is smaller than the sum of its proper divisors (2045932422900).

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

1023321132300 is a wasteful number, since it uses less digits than its factorization.

1023321132300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861760 (or 861753 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1023321132300 its reverse (32311233201), we get a palindrome (1055632365501).

The spelling of 1023321132300 in words is "one trillion, twenty-three billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred".