128162323 has 2 divisors, whose sum is σ = 128162324. Its totient is φ = 128162322.

The previous prime is 128162311. The next prime is 128162327. The reversal of 128162323 is 323261821.

It is a strong prime.

It is an emirp because it is prime and its reverse (323261821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128162323 - 2⁵ = 128162291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128162291 and 128162300.

It is not a weakly prime, because it can be changed into another prime (128162327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64081161 + 64081162.

It is an arithmetic number, because the mean of its divisors is an integer number (64081162).

Almost surely, 2^128162323 is an apocalyptic number.

128162323 is a deficient number, since it is larger than the sum of its proper divisors (1).

128162323 is an equidigital number, since it uses as much as digits as its factorization.

128162323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 128162323 is about 11320.8799569645. The cubic root of 128162323 is about 504.1813655559.

The spelling of 128162323 in words is "one hundred twenty-eight million, one hundred sixty-two thousand, three hundred twenty-three".