128293703 has 2 divisors, whose sum is σ = 128293704. Its totient is φ = 128293702.

The previous prime is 128293687. The next prime is 128293721. The reversal of 128293703 is 307392821.

It is a weak prime.

It is an emirp because it is prime and its reverse (307392821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128293703 - 2⁴ = 128293687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128293733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64146851 + 64146852.

It is an arithmetic number, because the mean of its divisors is an integer number (64146852).

Almost surely, 2^128293703 is an apocalyptic number.

128293703 is a deficient number, since it is larger than the sum of its proper divisors (1).

128293703 is an equidigital number, since it uses as much as digits as its factorization.

128293703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 128293703 is about 11326.6810231418. The cubic root of 128293703 is about 504.3535865462.

The spelling of 128293703 in words is "one hundred twenty-eight million, two hundred ninety-three thousand, seven hundred three".