23231222197 has 4 divisors (see below), whose sum is σ = 24241275360. Its totient is φ = 22221169036.

The previous prime is 23231222123. The next prime is 23231222221. The reversal of 23231222197 is 79122213232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23231222197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231222107) 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, 505026547 + ... + 505026592.

It is an arithmetic number, because the mean of its divisors is an integer number (6060318840).

Almost surely, 2^23231222197 is an apocalyptic number.

It is an amenable number.

23231222197 is a deficient number, since it is larger than the sum of its proper divisors (1010053163).

23231222197 is a wasteful number, since it uses less digits than its factorization.

23231222197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010053162.

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

The spelling of 23231222197 in words is "twenty-three billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred ninety-seven".