263037063823 has 2 divisors, whose sum is σ = 263037063824. Its totient is φ = 263037063822.

The previous prime is 263037063799. The next prime is 263037063889. The reversal of 263037063823 is 328360730362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263037063823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263037063823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263037063323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131518531911 + 131518531912.

It is an arithmetic number, because the mean of its divisors is an integer number (131518531912).

Almost surely, 2^263037063823 is an apocalyptic number.

263037063823 is a deficient number, since it is larger than the sum of its proper divisors (1).

263037063823 is an equidigital number, since it uses as much as digits as its factorization.

263037063823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 263037063823 in words is "two hundred sixty-three billion, thirty-seven million, sixty-three thousand, eight hundred twenty-three".