196634623 has 2 divisors, whose sum is σ = 196634624. Its totient is φ = 196634622.

The previous prime is 196634609. The next prime is 196634639. The reversal of 196634623 is 326436691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196634623 - 2¹³ = 196626431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196634653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98317311 + 98317312.

It is an arithmetic number, because the mean of its divisors is an integer number (98317312).

Almost surely, 2^196634623 is an apocalyptic number.

196634623 is a deficient number, since it is larger than the sum of its proper divisors (1).

196634623 is an equidigital number, since it uses as much as digits as its factorization.

196634623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 196634623 is about 14022.6467901035. The cubic root of 196634623 is about 581.5048348333.

The spelling of 196634623 in words is "one hundred ninety-six million, six hundred thirty-four thousand, six hundred twenty-three".