266130023 has 2 divisors, whose sum is σ = 266130024. Its totient is φ = 266130022.

The previous prime is 266129999. The next prime is 266130043. The reversal of 266130023 is 320031662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266130023 - 2⁶ = 266129959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266130043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133065011 + 133065012.

It is an arithmetic number, because the mean of its divisors is an integer number (133065012).

Almost surely, 2^266130023 is an apocalyptic number.

266130023 is a deficient number, since it is larger than the sum of its proper divisors (1).

266130023 is an equidigital number, since it uses as much as digits as its factorization.

266130023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 266130023 is about 16313.4920541250. The cubic root of 266130023 is about 643.2275299768.

Adding to 266130023 its reverse (320031662), we get a palindrome (586161685).

The spelling of 266130023 in words is "two hundred sixty-six million, one hundred thirty thousand, twenty-three".