2164128023 has 2 divisors, whose sum is σ = 2164128024. Its totient is φ = 2164128022.

The previous prime is 2164128013. The next prime is 2164128047. The reversal of 2164128023 is 3208214612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2164128023 - 2⁴ = 2164128007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164128013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082064011 + 1082064012.

It is an arithmetic number, because the mean of its divisors is an integer number (1082064012).

Almost surely, 2^2164128023 is an apocalyptic number.

2164128023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164128023 is an equidigital number, since it uses as much as digits as its factorization.

2164128023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2164128023 is about 46520.1894127700. The cubic root of 2164128023 is about 1293.4837673899.

The spelling of 2164128023 in words is "two billion, one hundred sixty-four million, one hundred twenty-eight thousand, twenty-three".