1996197123 has 8 divisors (see below), whose sum is σ = 2705229136. Its totient is φ = 1308981600.

The previous prime is 1996197121. The next prime is 1996197143. The reversal of 1996197123 is 3217916991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1996197123 - 2¹ = 1996197121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996197121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453908 + ... + 5454273.

It is an arithmetic number, because the mean of its divisors is an integer number (338153642).

Almost surely, 2^1996197123 is an apocalyptic number.

1996197123 is a deficient number, since it is larger than the sum of its proper divisors (709032013).

1996197123 is a wasteful number, since it uses less digits than its factorization.

1996197123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908245.

The product of its digits is 183708, while the sum is 48.

The square root of 1996197123 is about 44678.8218622649. The cubic root of 1996197123 is about 1259.1219890953.

The spelling of 1996197123 in words is "one billion, nine hundred ninety-six million, one hundred ninety-seven thousand, one hundred twenty-three".