11823047563450 has 24 divisors (see below), whose sum is σ = 22237956886140. Its totient is φ = 4676081731200.

The previous prime is 11823047563421. The next prime is 11823047563469. The reversal of 11823047563450 is 5436574032811.

It can be written as a sum of positive squares in 6 ways, for example, as 3884758218441 + 7938289345009 = 1970979^2 + 2817497^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11823047563394 and 11823047563403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328427861 + ... + 1328436760.

Almost surely, 2^{11823047563450} is an apocalyptic number.

11823047563450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11823047563450 is a deficient number, since it is larger than the sum of its proper divisors (10414909322690).

11823047563450 is a wasteful number, since it uses less digits than its factorization.

11823047563450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656864722 (or 2656864717 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 11823047563450 in words is "eleven trillion, eight hundred twenty-three billion, forty-seven million, five hundred sixty-three thousand, four hundred fifty".