196623 has 12 divisors (see below), whose sum is σ = 324688. Its totient is φ = 112320.

The previous prime is 196613. The next prime is 196643. The reversal of 196623 is 326691.

It is a happy number.

196623 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 196623 - 2⁹ = 196111 is a prime.

196623 is an undulating number in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196613) 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, 1498 + ... + 1623.

196623 is a Friedman number, since it can be written as 9+6+3*2^16, using all its digits and the basic arithmetic operations.

2¹⁹⁶⁶²³ is an apocalyptic number.

196623 is a deficient number, since it is larger than the sum of its proper divisors (128065).

196623 is a wasteful number, since it uses less digits than its factorization.

196623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3131 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 196623 is about 443.4219209737. The cubic root of 196623 is about 58.1493377095.

The spelling of 196623 in words is "one hundred ninety-six thousand, six hundred twenty-three".