197323141242 has 16 divisors (see below), whose sum is σ = 394661322720. Its totient is φ = 65771873712.

The previous prime is 197323141201. The next prime is 197323141243. The reversal of 197323141242 is 242141323791.

It is a super-2 number, since 2×197323141242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197323141242.

It is not an unprimeable number, because it can be changed into a prime (197323141243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452392 + ... + 774147.

It is an arithmetic number, because the mean of its divisors is an integer number (24666332670).

Almost surely, 2^197323141242 is an apocalyptic number.

197323141242 is an abundant number, since it is smaller than the sum of its proper divisors (197338181478).

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

197323141242 is a wasteful number, since it uses less digits than its factorization.

197323141242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253357.

The product of its digits is 72576, while the sum is 39.

The spelling of 197323141242 in words is "one hundred ninety-seven billion, three hundred twenty-three million, one hundred forty-one thousand, two hundred forty-two".