573305623263 has 12 divisors (see below), whose sum is σ = 828288873360. Its totient is φ = 382120325376.

The previous prime is 573305623237. The next prime is 573305623271. The reversal of 573305623263 is 362326503375.

573305623263 is a `hidden beast` number, since 5 + 7 + 330 + 56 + 2 + 3 + 263 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-573305623263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573305623223) 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, 6908418 + ... + 6990911.

It is an arithmetic number, because the mean of its divisors is an integer number (69024072780).

Almost surely, 2^573305623263 is an apocalyptic number.

573305623263 is a deficient number, since it is larger than the sum of its proper divisors (254983250097).

573305623263 is a wasteful number, since it uses less digits than its factorization.

573305623263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903918 (or 13903915 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 45.

The spelling of 573305623263 in words is "five hundred seventy-three billion, three hundred five million, six hundred twenty-three thousand, two hundred sixty-three".