2163869023 has 4 divisors (see below), whose sum is σ = 2167659208. Its totient is φ = 2160078840.

The previous prime is 2163868997. The next prime is 2163869027. The reversal of 2163869023 is 3209683612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2163869023 - 2⁵ = 2163868991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163869027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894236 + ... + 1895377.

It is an arithmetic number, because the mean of its divisors is an integer number (541914802).

Almost surely, 2^2163869023 is an apocalyptic number.

2163869023 is a deficient number, since it is larger than the sum of its proper divisors (3790185).

2163869023 is an equidigital number, since it uses as much as digits as its factorization.

2163869023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790184.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2163869023 is about 46517.4055918857. The cubic root of 2163869023 is about 1293.4321645183.

The spelling of 2163869023 in words is "two billion, one hundred sixty-three million, eight hundred sixty-nine thousand, twenty-three".