320453711 has 2 divisors, whose sum is σ = 320453712. Its totient is φ = 320453710.

The previous prime is 320453611. The next prime is 320453713. The reversal of 320453711 is 117354023.

It is a strong prime.

It is an emirp because it is prime and its reverse (117354023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320453711 - 2¹⁸ = 320191567 is a prime.

Together with 320453713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320453713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160226855 + 160226856.

It is an arithmetic number, because the mean of its divisors is an integer number (160226856).

Almost surely, 2^320453711 is an apocalyptic number.

320453711 is a deficient number, since it is larger than the sum of its proper divisors (1).

320453711 is an equidigital number, since it uses as much as digits as its factorization.

320453711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 320453711 is about 17901.2209360144. The cubic root of 320453711 is about 684.3134905513.

The spelling of 320453711 in words is "three hundred twenty million, four hundred fifty-three thousand, seven hundred eleven".