128006233 has 2 divisors, whose sum is σ = 128006234. Its totient is φ = 128006232.

The previous prime is 128006213. The next prime is 128006251. The reversal of 128006233 is 332600821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 4173849 = 11128^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 128006233 - 2¹⁷ = 127875161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128006198 and 128006207.

It is not a weakly prime, because it can be changed into another prime (128006213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64003116 + 64003117.

It is an arithmetic number, because the mean of its divisors is an integer number (64003117).

Almost surely, 2^128006233 is an apocalyptic number.

It is an amenable number.

128006233 is a deficient number, since it is larger than the sum of its proper divisors (1).

128006233 is an equidigital number, since it uses as much as digits as its factorization.

128006233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 128006233 is about 11313.9839579169. The cubic root of 128006233 is about 503.9766001251.

The spelling of 128006233 in words is "one hundred twenty-eight million, six thousand, two hundred thirty-three".