196723499 has 4 divisors (see below), whose sum is σ = 224826864. Its totient is φ = 168620136.

The previous prime is 196723481. The next prime is 196723519. The reversal of 196723499 is 994327691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196723499 - 2¹² = 196719403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196723199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051672 + ... + 14051685.

It is an arithmetic number, because the mean of its divisors is an integer number (56206716).

Almost surely, 2^196723499 is an apocalyptic number.

196723499 is a deficient number, since it is larger than the sum of its proper divisors (28103365).

196723499 is an equidigital number, since it uses as much as digits as its factorization.

196723499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28103364.

The product of its digits is 734832, while the sum is 50.

The square root of 196723499 is about 14025.8154486647. The cubic root of 196723499 is about 581.5924322231.

The spelling of 196723499 in words is "one hundred ninety-six million, seven hundred twenty-three thousand, four hundred ninety-nine".