202312232197 has 4 divisors (see below), whose sum is σ = 214212951756. Its totient is φ = 190411512640.

The previous prime is 202312232183. The next prime is 202312232203. The reversal of 202312232197 is 791232213202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67499157636 + 134813074561 = 259806^2 + 367169^2 .

It is a cyclic number.

It is not a de Polignac number, because 202312232197 - 2¹⁹ = 202311707909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312232117) 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, 5950359754 + ... + 5950359787.

It is an arithmetic number, because the mean of its divisors is an integer number (53553237939).

Almost surely, 2^202312232197 is an apocalyptic number.

It is an amenable number.

202312232197 is a deficient number, since it is larger than the sum of its proper divisors (11900719559).

202312232197 is a wasteful number, since it uses less digits than its factorization.

202312232197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11900719558.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 202312232197 its reverse (791232213202), we get a palindrome (993544445399).

The spelling of 202312232197 in words is "two hundred two billion, three hundred twelve million, two hundred thirty-two thousand, one hundred ninety-seven".