131423223 has 8 divisors (see below), whose sum is σ = 179967088. Its totient is φ = 85247424.

The previous prime is 131423221. The next prime is 131423269. The reversal of 131423223 is 322324131.

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

It is not a de Polignac number, because 131423223 - 2¹ = 131423221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131423223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423221) 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, 591886 + ... + 592107.

It is an arithmetic number, because the mean of its divisors is an integer number (22495886).

Almost surely, 2^131423223 is an apocalyptic number.

131423223 is a deficient number, since it is larger than the sum of its proper divisors (48543865).

131423223 is a wasteful number, since it uses less digits than its factorization.

131423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184033.

The product of its digits is 864, while the sum is 21.

The square root of 131423223 is about 11463.9968161196. The cubic root of 131423223 is about 508.4216524736.

Adding to 131423223 its reverse (322324131), we get a palindrome (453747354).

The spelling of 131423223 in words is "one hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty-three".