308468123 has 2 divisors, whose sum is σ = 308468124. Its totient is φ = 308468122.

The previous prime is 308468119. The next prime is 308468137. The reversal of 308468123 is 321864803.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 308468123 - 2² = 308468119 is a prime.

It is not a weakly prime, because it can be changed into another prime (308468183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154234061 + 154234062.

It is an arithmetic number, because the mean of its divisors is an integer number (154234062).

Almost surely, 2^308468123 is an apocalyptic number.

308468123 is a deficient number, since it is larger than the sum of its proper divisors (1).

308468123 is an equidigital number, since it uses as much as digits as its factorization.

308468123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 308468123 is about 17563.2606027469. The cubic root of 308468123 is about 675.6733093152.

The spelling of 308468123 in words is "three hundred eight million, four hundred sixty-eight thousand, one hundred twenty-three".