320120023 has 2 divisors, whose sum is σ = 320120024. Its totient is φ = 320120022.

The previous prime is 320119991. The next prime is 320120027. The reversal of 320120023 is 320021023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320120023 - 2⁵ = 320119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320119985 and 320120012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320120027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160060011 + 160060012.

It is an arithmetic number, because the mean of its divisors is an integer number (160060012).

Almost surely, 2^320120023 is an apocalyptic number.

320120023 is a deficient number, since it is larger than the sum of its proper divisors (1).

320120023 is an equidigital number, since it uses as much as digits as its factorization.

320120023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320120023 is about 17891.8982503255. The cubic root of 320120023 is about 684.0758831661.

Adding to 320120023 its reverse (320021023), we get a palindrome (640141046).

The spelling of 320120023 in words is "three hundred twenty million, one hundred twenty thousand, twenty-three".