1020320231023 has 8 divisors (see below), whose sum is σ = 1080389719728. Its totient is φ = 960256370304.

The previous prime is 1020320230967. The next prime is 1020320231033. The reversal of 1020320231023 is 3201320230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020320231023 - 2¹⁷ = 1020320099951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020320231033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030861 + ... + 1761622.

It is an arithmetic number, because the mean of its divisors is an integer number (135048714966).

Almost surely, 2^{1020320231023} is an apocalyptic number.

1020320231023 is a deficient number, since it is larger than the sum of its proper divisors (60069488705).

1020320231023 is a wasteful number, since it uses less digits than its factorization.

1020320231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813993.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1020320231023 its reverse (3201320230201), we get a palindrome (4221640461224).

The spelling of 1020320231023 in words is "one trillion, twenty billion, three hundred twenty million, two hundred thirty-one thousand, twenty-three".