131600023 has 6 divisors (see below), whose sum is σ = 138891264. Its totient is φ = 124673364.

The previous prime is 131600003. The next prime is 131600059. The reversal of 131600023 is 320006131.

It is a de Polignac number, because none of the positive numbers 2^k-131600023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131600003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181911 + ... + 182632.

It is an arithmetic number, because the mean of its divisors is an integer number (23148544).

Almost surely, 2^131600023 is an apocalyptic number.

131600023 is a deficient number, since it is larger than the sum of its proper divisors (7291241).

131600023 is an equidigital number, since it uses as much as digits as its factorization.

131600023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364581 (or 364562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131600023 is about 11471.7053222265. The cubic root of 131600023 is about 508.6495388087.

Adding to 131600023 its reverse (320006131), we get a palindrome (451606154).

The spelling of 131600023 in words is "one hundred thirty-one million, six hundred thousand, twenty-three".