131723097 has 8 divisors (see below), whose sum is σ = 191597280. Its totient is φ = 79832160.

The previous prime is 131723077. The next prime is 131723101. The reversal of 131723097 is 790327131.

It is a happy number.

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

It is not a de Polignac number, because 131723097 - 2¹⁵ = 131690329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3991609 = 131723097 / (1 + 3 + 1 + 7 + 2 + 3 + 0 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (131723077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995772 + ... + 1995837.

It is an arithmetic number, because the mean of its divisors is an integer number (23949660).

Almost surely, 2^131723097 is an apocalyptic number.

It is an amenable number.

131723097 is a deficient number, since it is larger than the sum of its proper divisors (59874183).

131723097 is a wasteful number, since it uses less digits than its factorization.

131723097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991623.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 131723097 is about 11477.0683103308. The cubic root of 131723097 is about 508.8080545566.

The spelling of 131723097 in words is "one hundred thirty-one million, seven hundred twenty-three thousand, ninety-seven".