263723049 has 12 divisors (see below), whose sum is σ = 381143412. Its totient is φ = 175718400.

The previous prime is 263723017. The next prime is 263723077. The reversal of 263723049 is 940327362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 163021824 + 100701225 = 12768^2 + 10035^2 .

It is not a de Polignac number, because 263723049 - 2⁵ = 263723017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263723549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11689 + ... + 25769.

It is an arithmetic number, because the mean of its divisors is an integer number (31761951).

Almost surely, 2^263723049 is an apocalyptic number.

It is an amenable number.

263723049 is a deficient number, since it is larger than the sum of its proper divisors (117420363).

263723049 is a wasteful number, since it uses less digits than its factorization.

263723049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16168 (or 16165 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 263723049 is about 16239.5519950521. The cubic root of 263723049 is about 641.2824617927.

The spelling of 263723049 in words is "two hundred sixty-three million, seven hundred twenty-three thousand, forty-nine".