1020321332023 has 10 divisors (see below), whose sum is σ = 1190304064024. Its totient is φ = 874561139676.

The previous prime is 1020321331951. The next prime is 1020321332039. The reversal of 1020321332023 is 3202331230201.

It is not a de Polignac number, because 1020321332023 - 2³⁷ = 882882378551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020321331985 and 1020321332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020321332323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 212476011 + ... + 212480812.

Almost surely, 2^{1020321332023} is an apocalyptic number.

1020321332023 is a deficient number, since it is larger than the sum of its proper divisors (169982732001).

1020321332023 is an frugal number, since it uses more digits than its factorization.

1020321332023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424956851 (or 424956830 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1020321332023 its reverse (3202331230201), we get a palindrome (4222652562224).

The spelling of 1020321332023 in words is "one trillion, twenty billion, three hundred twenty-one million, three hundred thirty-two thousand, twenty-three".