1123231320099 has 12 divisors (see below), whose sum is σ = 1854223131696. Its totient is φ = 641846468592.

The previous prime is 1123231320091. The next prime is 1123231320103. The reversal of 1123231320099 is 9900231323211.

1123231320099 is a `hidden beast` number, since 1 + 1 + 2 + 323 + 1 + 320 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 1123231320099 - 2³ = 1123231320091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123231320091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8914534224 + ... + 8914534349.

It is an arithmetic number, because the mean of its divisors is an integer number (154518594308).

Almost surely, 2^{1123231320099} is an apocalyptic number.

1123231320099 is a deficient number, since it is larger than the sum of its proper divisors (730991811597).

1123231320099 is a wasteful number, since it uses less digits than its factorization.

1123231320099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17829068586 (or 17829068583 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 1123231320099 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, three hundred twenty thousand, ninety-nine".