133423111044 has 72 divisors (see below), whose sum is σ = 363280200192. Its totient is φ = 41168413440.

The previous prime is 133423110983. The next prime is 133423111091. The reversal of 133423111044 is 440111324331.

133423111044 is a `hidden beast` number, since 1 + 3 + 342 + 311 + 1 + 0 + 4 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133423110999 and 133423111017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2573349 + ... + 2624684.

It is an arithmetic number, because the mean of its divisors is an integer number (5045558336).

Almost surely, 2^133423111044 is an apocalyptic number.

It is an amenable number.

133423111044 is an abundant number, since it is smaller than the sum of its proper divisors (229857089148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133423111044 is a wasteful number, since it uses less digits than its factorization.

133423111044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198097 (or 5198092 counting only the distinct ones).

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

Adding to 133423111044 its reverse (440111324331), we get a palindrome (573534435375).

The spelling of 133423111044 in words is "one hundred thirty-three billion, four hundred twenty-three million, one hundred eleven thousand, forty-four".