131524423 has 2 divisors, whose sum is σ = 131524424. Its totient is φ = 131524422.

The previous prime is 131524411. The next prime is 131524457. The reversal of 131524423 is 324425131.

It is a weak prime.

It is an emirp because it is prime and its reverse (324425131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131524423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131524123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65762211 + 65762212.

It is an arithmetic number, because the mean of its divisors is an integer number (65762212).

Almost surely, 2^131524423 is an apocalyptic number.

131524423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131524423 is an equidigital number, since it uses as much as digits as its factorization.

131524423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 131524423 is about 11468.4097851446. The cubic root of 131524423 is about 508.5521191930.

Adding to 131524423 its reverse (324425131), we get a palindrome (455949554).

The spelling of 131524423 in words is "one hundred thirty-one million, five hundred twenty-four thousand, four hundred twenty-three".