263126423 has 12 divisors (see below), whose sum is σ = 306527760. Its totient is φ = 225211392.

The previous prime is 263126411. The next prime is 263126431. The reversal of 263126423 is 324621362.

It is not a de Polignac number, because 263126423 - 2¹⁰ = 263125399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263126443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34190 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (25543980).

Almost surely, 2^263126423 is an apocalyptic number.

263126423 is a deficient number, since it is larger than the sum of its proper divisors (43401337).

263126423 is an equidigital number, since it uses as much as digits as its factorization.

263126423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7759 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 263126423 is about 16221.1720599962. The cubic root of 263126423 is about 640.7985012132.

Adding to 263126423 its reverse (324621362), we get a palindrome (587747785).

The spelling of 263126423 in words is "two hundred sixty-three million, one hundred twenty-six thousand, four hundred twenty-three".