197876923 has 4 divisors (see below), whose sum is σ = 209516760. Its totient is φ = 186237088.

The previous prime is 197876879. The next prime is 197876933. The reversal of 197876923 is 329678791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197876923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197876933) 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, 5819893 + ... + 5819926.

It is an arithmetic number, because the mean of its divisors is an integer number (52379190).

Almost surely, 2^197876923 is an apocalyptic number.

197876923 is a deficient number, since it is larger than the sum of its proper divisors (11639837).

197876923 is a wasteful number, since it uses less digits than its factorization.

197876923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639836.

The product of its digits is 1143072, while the sum is 52.

The square root of 197876923 is about 14066.8732488780. The cubic root of 197876923 is about 582.7268770606.

The spelling of 197876923 in words is "one hundred ninety-seven million, eight hundred seventy-six thousand, nine hundred twenty-three".