2196761123 has 4 divisors (see below), whose sum is σ = 2203280040. Its totient is φ = 2190242208.

The previous prime is 2196761071. The next prime is 2196761159. The reversal of 2196761123 is 3211676912.

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 2196761123 - 2²² = 2192566819 is a prime.

It is a super-2 number, since 2×2196761123² = 9651518863048442258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196761183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258953 + ... + 3259626.

It is an arithmetic number, because the mean of its divisors is an integer number (550820010).

Almost surely, 2^2196761123 is an apocalyptic number.

2196761123 is a deficient number, since it is larger than the sum of its proper divisors (6518917).

2196761123 is an equidigital number, since it uses as much as digits as its factorization.

2196761123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518916.

The product of its digits is 27216, while the sum is 38.

The square root of 2196761123 is about 46869.6183364021. The cubic root of 2196761123 is about 1299.9528825132.

The spelling of 2196761123 in words is "two billion, one hundred ninety-six million, seven hundred sixty-one thousand, one hundred twenty-three".