131066023 has 4 divisors (see below), whose sum is σ = 142981128. Its totient is φ = 119150920.

The previous prime is 131066017. The next prime is 131066027. The reversal of 131066023 is 320660131.

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

It is a cyclic number.

It is not a de Polignac number, because 131066023 - 2⁹ = 131065511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131065985 and 131066003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131066027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5957536 + ... + 5957557.

It is an arithmetic number, because the mean of its divisors is an integer number (35745282).

Almost surely, 2^131066023 is an apocalyptic number.

131066023 is a deficient number, since it is larger than the sum of its proper divisors (11915105).

131066023 is a wasteful number, since it uses less digits than its factorization.

131066023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915104.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131066023 is about 11448.4070070905. The cubic root of 131066023 is about 507.9606152429.

The spelling of 131066023 in words is "one hundred thirty-one million, sixty-six thousand, twenty-three".