128433023 has 2 divisors, whose sum is σ = 128433024. Its totient is φ = 128433022.

The previous prime is 128433013. The next prime is 128433089. The reversal of 128433023 is 320334821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128433023 - 2⁸ = 128432767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128432983 and 128433001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128433013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64216511 + 64216512.

It is an arithmetic number, because the mean of its divisors is an integer number (64216512).

Almost surely, 2^128433023 is an apocalyptic number.

128433023 is a deficient number, since it is larger than the sum of its proper divisors (1).

128433023 is an equidigital number, since it uses as much as digits as its factorization.

128433023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 128433023 is about 11332.8294348764. The cubic root of 128433023 is about 504.5360873761.

Adding to 128433023 its reverse (320334821), we get a palindrome (448767844).

The spelling of 128433023 in words is "one hundred twenty-eight million, four hundred thirty-three thousand, twenty-three".