196307823 has 16 divisors (see below), whose sum is σ = 279265536. Its totient is φ = 122229120.

The previous prime is 196307819. The next prime is 196307843. The reversal of 196307823 is 328703691.

It is not a de Polignac number, because 196307823 - 2² = 196307819 is a prime.

It is a super-2 number, since 2×196307823² = 77073522741998658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196307843) 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 15 ways as a sum of consecutive naturals, for example, 8011 + ... + 21372.

It is an arithmetic number, because the mean of its divisors is an integer number (17454096).

Almost surely, 2^196307823 is an apocalyptic number.

196307823 is a deficient number, since it is larger than the sum of its proper divisors (82957713).

196307823 is a wasteful number, since it uses less digits than its factorization.

196307823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 196307823 is about 14010.9893654945. The cubic root of 196307823 is about 581.1825091715.

The spelling of 196307823 in words is "one hundred ninety-six million, three hundred seven thousand, eight hundred twenty-three".