131574323 has 4 divisors (see below), whose sum is σ = 135818688. Its totient is φ = 127329960.

The previous prime is 131574293. The next prime is 131574347. The reversal of 131574323 is 323475131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131574323 is a prime.

It is a super-3 number, since 3×131574323³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131574523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122136 + ... + 2122197.

It is an arithmetic number, because the mean of its divisors is an integer number (33954672).

Almost surely, 2^131574323 is an apocalyptic number.

131574323 is a deficient number, since it is larger than the sum of its proper divisors (4244365).

131574323 is an equidigital number, since it uses as much as digits as its factorization.

131574323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244364.

The product of its digits is 7560, while the sum is 29.

The square root of 131574323 is about 11470.5851202107. The cubic root of 131574323 is about 508.6164254806.

The spelling of 131574323 in words is "one hundred thirty-one million, five hundred seventy-four thousand, three hundred twenty-three".