1123824044421 has 12 divisors (see below), whose sum is σ = 1748170735948. Its totient is φ = 691584027264.

The previous prime is 1123824044419. The next prime is 1123824044557. The reversal of 1123824044421 is 1244404283211.

1123824044421 is a `hidden beast` number, since 11 + 238 + 2 + 404 + 4 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 316872171396 + 806951873025 = 562914^2 + 898305^2 .

It is not a de Polignac number, because 1123824044421 - 2¹ = 1123824044419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123824044921) 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, 4802666740 + ... + 4802666973.

Almost surely, 2^{1123824044421} is an apocalyptic number.

It is an amenable number.

1123824044421 is a deficient number, since it is larger than the sum of its proper divisors (624346691527).

1123824044421 is a wasteful number, since it uses less digits than its factorization.

1123824044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605333732 (or 9605333729 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 1123824044421 in words is "one trillion, one hundred twenty-three billion, eight hundred twenty-four million, forty-four thousand, four hundred twenty-one".