328789423 has 2 divisors, whose sum is σ = 328789424. Its totient is φ = 328789422.

The previous prime is 328789399. The next prime is 328789499. The reversal of 328789423 is 324987823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328789423 - 2²⁵ = 295234991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328789723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164394711 + 164394712.

It is an arithmetic number, because the mean of its divisors is an integer number (164394712).

Almost surely, 2^328789423 is an apocalyptic number.

328789423 is a deficient number, since it is larger than the sum of its proper divisors (1).

328789423 is an equidigital number, since it uses as much as digits as its factorization.

328789423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 328789423 is about 18132.5514751786. The cubic root of 328789423 is about 690.1962775649.

The spelling of 328789423 in words is "three hundred twenty-eight million, seven hundred eighty-nine thousand, four hundred twenty-three".