320034430123 has 2 divisors, whose sum is σ = 320034430124. Its totient is φ = 320034430122.

The previous prime is 320034430117. The next prime is 320034430139. The reversal of 320034430123 is 321034430023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320034430123 - 2⁵ = 320034430091 is a prime.

It is not a weakly prime, because it can be changed into another prime (320034430153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160017215061 + 160017215062.

It is an arithmetic number, because the mean of its divisors is an integer number (160017215062).

Almost surely, 2^320034430123 is an apocalyptic number.

320034430123 is a deficient number, since it is larger than the sum of its proper divisors (1).

320034430123 is an equidigital number, since it uses as much as digits as its factorization.

320034430123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 320034430123 its reverse (321034430023), we get a palindrome (641068860146).

The spelling of 320034430123 in words is "three hundred twenty billion, thirty-four million, four hundred thirty thousand, one hundred twenty-three".