266875423 has 2 divisors, whose sum is σ = 266875424. Its totient is φ = 266875422.

The previous prime is 266875397. The next prime is 266875451. The reversal of 266875423 is 324578662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266875423 - 2²⁵ = 233320991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266875423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266875123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133437711 + 133437712.

It is an arithmetic number, because the mean of its divisors is an integer number (133437712).

Almost surely, 2^266875423 is an apocalyptic number.

266875423 is a deficient number, since it is larger than the sum of its proper divisors (1).

266875423 is an equidigital number, since it uses as much as digits as its factorization.

266875423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 266875423 is about 16336.3221993201. The cubic root of 266875423 is about 643.8275059476.

The spelling of 266875423 in words is "two hundred sixty-six million, eight hundred seventy-five thousand, four hundred twenty-three".