196845965123 has 12 divisors (see below), whose sum is σ = 209939437512. Its totient is φ = 184528608000.

The previous prime is 196845965047. The next prime is 196845965153. The reversal of 196845965123 is 321569548691.

It is a happy number.

It is not a de Polignac number, because 196845965123 - 2¹⁰ = 196845964099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196845965153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284290 + ... + 1429367.

It is an arithmetic number, because the mean of its divisors is an integer number (17494953126).

Almost surely, 2^196845965123 is an apocalyptic number.

196845965123 is a deficient number, since it is larger than the sum of its proper divisors (13093472389).

196845965123 is a wasteful number, since it uses less digits than its factorization.

196845965123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713942 (or 2713925 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 59.

The spelling of 196845965123 in words is "one hundred ninety-six billion, eight hundred forty-five million, nine hundred sixty-five thousand, one hundred twenty-three".