319655123 has 2 divisors, whose sum is σ = 319655124. Its totient is φ = 319655122.

The previous prime is 319655111. The next prime is 319655129. The reversal of 319655123 is 321556913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319655123 - 2¹² = 319651027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (319655129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159827561 + 159827562.

It is an arithmetic number, because the mean of its divisors is an integer number (159827562).

Almost surely, 2^319655123 is an apocalyptic number.

319655123 is a deficient number, since it is larger than the sum of its proper divisors (1).

319655123 is an equidigital number, since it uses as much as digits as its factorization.

319655123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 35.

The square root of 319655123 is about 17878.9016161508. The cubic root of 319655123 is about 683.7445689371.

The spelling of 319655123 in words is "three hundred nineteen million, six hundred fifty-five thousand, one hundred twenty-three".