2195633823 has 4 divisors (see below), whose sum is σ = 2927511768. Its totient is φ = 1463755880.

The previous prime is 2195633779. The next prime is 2195633831. The reversal of 2195633823 is 3283365912.

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 2195633823 - 2¹⁸ = 2195371679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195633833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365938968 + ... + 365938973.

It is an arithmetic number, because the mean of its divisors is an integer number (731877942).

Almost surely, 2^2195633823 is an apocalyptic number.

2195633823 is a deficient number, since it is larger than the sum of its proper divisors (731877945).

2195633823 is an equidigital number, since it uses as much as digits as its factorization.

2195633823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731877944.

The product of its digits is 233280, while the sum is 42.

The square root of 2195633823 is about 46857.5908791735. The cubic root of 2195633823 is about 1299.7304812075.

The spelling of 2195633823 in words is "two billion, one hundred ninety-five million, six hundred thirty-three thousand, eight hundred twenty-three".