320232343231511 has 2 divisors, whose sum is σ = 320232343231512. Its totient is φ = 320232343231510.

The previous prime is 320232343231501. The next prime is 320232343231531. The reversal of 320232343231511 is 115132343232023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320232343231511 - 2⁴⁶ = 249863599053847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320232343231501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160116171615755 + 160116171615756.

It is an arithmetic number, because the mean of its divisors is an integer number (160116171615756).

Almost surely, 2^{320232343231511} is an apocalyptic number.

320232343231511 is a deficient number, since it is larger than the sum of its proper divisors (1).

320232343231511 is an equidigital number, since it uses as much as digits as its factorization.

320232343231511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 320232343231511 its reverse (115132343232023), we get a palindrome (435364686463534).

The spelling of 320232343231511 in words is "three hundred twenty trillion, two hundred thirty-two billion, three hundred forty-three million, two hundred thirty-one thousand, five hundred eleven".