196523 has 2 divisors, whose sum is σ = 196524. Its totient is φ = 196522.

The previous prime is 196519. The next prime is 196541. The reversal of 196523 is 325691.

It is a weak prime.

It is an emirp because it is prime and its reverse (325691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196523 - 2² = 196519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196492 and 196501.

It is not a weakly prime, because it can be changed into another prime (196543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98261 + 98262.

It is an arithmetic number, because the mean of its divisors is an integer number (98262).

2¹⁹⁶⁵²³ is an apocalyptic number.

196523 is a deficient number, since it is larger than the sum of its proper divisors (1).

196523 is an equidigital number, since it uses as much as digits as its factorization.

196523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 196523 is about 443.3091472099. The cubic root of 196523 is about 58.1394780291.

The spelling of 196523 in words is "one hundred ninety-six thousand, five hundred twenty-three".