263143473 has 8 divisors (see below), whose sum is σ = 354264768. Its totient is φ = 173725584.

The previous prime is 263143457. The next prime is 263143487. The reversal of 263143473 is 374341362.

263143473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263143473 - 2⁴ = 263143457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263143423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425490 + ... + 426107.

It is an arithmetic number, because the mean of its divisors is an integer number (44283096).

Almost surely, 2^263143473 is an apocalyptic number.

It is an amenable number.

263143473 is a deficient number, since it is larger than the sum of its proper divisors (91121295).

263143473 is a wasteful number, since it uses less digits than its factorization.

263143473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851703.

The product of its digits is 36288, while the sum is 33.

The square root of 263143473 is about 16221.6975992034. The cubic root of 263143473 is about 640.8123416812.

The spelling of 263143473 in words is "two hundred sixty-three million, one hundred forty-three thousand, four hundred seventy-three".