1123433242011 has 32 divisors (see below), whose sum is σ = 1761020256000. Its totient is φ = 705860365824.

The previous prime is 1123433241989. The next prime is 1123433242109. The reversal of 1123433242011 is 1102423343211.

1123433242011 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 433 + 24 + 201 + 1 = 666.

It is not a de Polignac number, because 1123433242011 - 2¹⁰ = 1123433240987 is a prime.

It is a super-3 number, since 3×1123433242011³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1123433241011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5574381 + ... + 5772398.

It is an arithmetic number, because the mean of its divisors is an integer number (55031883000).

Almost surely, 2^{1123433242011} is an apocalyptic number.

1123433242011 is a deficient number, since it is larger than the sum of its proper divisors (637587013989).

1123433242011 is a wasteful number, since it uses less digits than its factorization.

1123433242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347000 (or 11346994 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1123433242011 its reverse (1102423343211), we get a palindrome (2225856585222).

The spelling of 1123433242011 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-three million, two hundred forty-two thousand, eleven".