197423312 has 40 divisors (see below), whose sum is σ = 413652096. Its totient is φ = 90922496.

The previous prime is 197423279. The next prime is 197423327. The reversal of 197423312 is 213324791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 20505.

Almost surely, 2^197423312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197423312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206826048).

197423312 is an abundant number, since it is smaller than the sum of its proper divisors (216228784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197423312 is a wasteful number, since it uses less digits than its factorization.

197423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15515 (or 15509 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 197423312 is about 14050.7406210491. The cubic root of 197423312 is about 582.2812573651.

The spelling of 197423312 in words is "one hundred ninety-seven million, four hundred twenty-three thousand, three hundred twelve".