197012923 has 4 divisors (see below), whose sum is σ = 198963648. Its totient is φ = 195062200.

The previous prime is 197012909. The next prime is 197012929. The reversal of 197012923 is 329210791.

It is a happy number.

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 197012923 - 2¹⁷ = 196881851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197012929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975211 + ... + 975412.

It is an arithmetic number, because the mean of its divisors is an integer number (49740912).

Almost surely, 2^197012923 is an apocalyptic number.

197012923 is a deficient number, since it is larger than the sum of its proper divisors (1950725).

197012923 is a wasteful number, since it uses less digits than its factorization.

197012923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950724.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 197012923 is about 14036.1292028821. The cubic root of 197012923 is about 581.8775097179.

The spelling of 197012923 in words is "one hundred ninety-seven million, twelve thousand, nine hundred twenty-three".