320235424697 has 2 divisors, whose sum is σ = 320235424698. Its totient is φ = 320235424696.

The previous prime is 320235424693. The next prime is 320235424727. The reversal of 320235424697 is 796424532023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307238512681 + 12996912016 = 554291^2 + 114004^2 .

It is a cyclic number.

It is not a de Polignac number, because 320235424697 - 2² = 320235424693 is a prime.

It is not a weakly prime, because it can be changed into another prime (320235424693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160117712348 + 160117712349.

It is an arithmetic number, because the mean of its divisors is an integer number (160117712349).

Almost surely, 2^320235424697 is an apocalyptic number.

It is an amenable number.

320235424697 is a deficient number, since it is larger than the sum of its proper divisors (1).

320235424697 is an equidigital number, since it uses as much as digits as its factorization.

320235424697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 320235424697 in words is "three hundred twenty billion, two hundred thirty-five million, four hundred twenty-four thousand, six hundred ninety-seven".