320240122387 has 2 divisors, whose sum is σ = 320240122388. Its totient is φ = 320240122386.

The previous prime is 320240122379. The next prime is 320240122457. The reversal of 320240122387 is 783221042023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320240122387 - 2³ = 320240122379 is a prime.

It is not a weakly prime, because it can be changed into another prime (320240129387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160120061193 + 160120061194.

It is an arithmetic number, because the mean of its divisors is an integer number (160120061194).

Almost surely, 2^320240122387 is an apocalyptic number.

320240122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

320240122387 is an equidigital number, since it uses as much as digits as its factorization.

320240122387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 320240122387 in words is "three hundred twenty billion, two hundred forty million, one hundred twenty-two thousand, three hundred eighty-seven".