131123023197 has 8 divisors (see below), whose sum is σ = 179094861120. Its totient is φ = 85283267040.

The previous prime is 131123023189. The next prime is 131123023201. The reversal of 131123023197 is 791320321131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131123023197 - 2³ = 131123023189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123093197) 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, 533020297 + ... + 533020542.

It is an arithmetic number, because the mean of its divisors is an integer number (22386857640).

Almost surely, 2^131123023197 is an apocalyptic number.

It is an amenable number.

131123023197 is a deficient number, since it is larger than the sum of its proper divisors (47971837923).

131123023197 is a wasteful number, since it uses less digits than its factorization.

131123023197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066040883.

The product of its (nonzero) digits is 6804, while the sum is 33.

The spelling of 131123023197 in words is "one hundred thirty-one billion, one hundred twenty-three million, twenty-three thousand, one hundred ninety-seven".