4128008923 has 2 divisors, whose sum is σ = 4128008924. Its totient is φ = 4128008922.

The previous prime is 4128008917. The next prime is 4128008959. The reversal of 4128008923 is 3298008214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4128008923 - 2⁹ = 4128008411 is a prime.

It is not a weakly prime, because it can be changed into another prime (4128008903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064004461 + 2064004462.

It is an arithmetic number, because the mean of its divisors is an integer number (2064004462).

Almost surely, 2^4128008923 is an apocalyptic number.

4128008923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128008923 is an equidigital number, since it uses as much as digits as its factorization.

4128008923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 4128008923 is about 64249.5830570129. The cubic root of 4128008923 is about 1604.1570186593.

The spelling of 4128008923 in words is "four billion, one hundred twenty-eight million, eight thousand, nine hundred twenty-three".