131366023 has 2 divisors, whose sum is σ = 131366024. Its totient is φ = 131366022.

The previous prime is 131365991. The next prime is 131366051. The reversal of 131366023 is 320663131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131366023 - 2⁵ = 131365991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131366063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65683011 + 65683012.

It is an arithmetic number, because the mean of its divisors is an integer number (65683012).

Almost surely, 2^131366023 is an apocalyptic number.

131366023 is a deficient number, since it is larger than the sum of its proper divisors (1).

131366023 is an equidigital number, since it uses as much as digits as its factorization.

131366023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 131366023 is about 11461.5017776904. The cubic root of 131366023 is about 508.3478807865.

The spelling of 131366023 in words is "one hundred thirty-one million, three hundred sixty-six thousand, twenty-three".