1020320023023 has 24 divisors (see below), whose sum is σ = 1700690620928. Its totient is φ = 577379426832.

The previous prime is 1020320023007. The next prime is 1020320023039. The reversal of 1020320023023 is 3203200230201.

It is a happy number.

1020320023023 is a `hidden beast` number, since 10 + 203 + 200 + 230 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (1020320023007) and next prime (1020320023039).

It is not a de Polignac number, because 1020320023023 - 2⁴ = 1020320023007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020320022987 and 1020320023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020320023003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78612715 + ... + 78625692.

Almost surely, 2^{1020320023023} is an apocalyptic number.

1020320023023 is a deficient number, since it is larger than the sum of its proper divisors (680370597905).

1020320023023 is a wasteful number, since it uses less digits than its factorization.

1020320023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157238523 (or 157238520 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1020320023023 its reverse (3203200230201), we get a palindrome (4223520253224).

The spelling of 1020320023023 in words is "one trillion, twenty billion, three hundred twenty million, twenty-three thousand, twenty-three".