131143023 has 32 divisors (see below), whose sum is σ = 213945600. Its totient is φ = 78732000.

The previous prime is 131143003. The next prime is 131143027. The reversal of 131143023 is 320341131.

It is not a de Polignac number, because 131143023 - 2¹⁰ = 131141999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131142987 and 131143005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30348 + ... + 34398.

It is an arithmetic number, because the mean of its divisors is an integer number (6685800).

Almost surely, 2^131143023 is an apocalyptic number.

131143023 is a deficient number, since it is larger than the sum of its proper divisors (82802577).

131143023 is a wasteful number, since it uses less digits than its factorization.

131143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4174 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131143023 is about 11451.7694265995. The cubic root of 131143023 is about 508.0600697251.

Adding to 131143023 its reverse (320341131), we get a palindrome (451484154).

The spelling of 131143023 in words is "one hundred thirty-one million, one hundred forty-three thousand, twenty-three".