320120343021023 has 2 divisors, whose sum is σ = 320120343021024. Its totient is φ = 320120343021022.

The previous prime is 320120343020941. The next prime is 320120343021053.

It is a happy number.

320120343021023 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 320120343021023 - 2²⁸ = 320120074585567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320120343020983 and 320120343021001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320120343021053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160060171510511 + 160060171510512.

It is an arithmetic number, because the mean of its divisors is an integer number (160060171510512).

Almost surely, 2^{320120343021023} is an apocalyptic number.

320120343021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

320120343021023 is an equidigital number, since it uses as much as digits as its factorization.

320120343021023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The spelling of 320120343021023 in words is "three hundred twenty trillion, one hundred twenty billion, three hundred forty-three million, twenty-one thousand, twenty-three".