133123232011 has 16 divisors (see below), whose sum is σ = 166025848320. Its totient is φ = 103698622080.

The previous prime is 133123232003. The next prime is 133123232051. The reversal of 133123232011 is 110232321331.

It is a cyclic number.

It is not a de Polignac number, because 133123232011 - 2³ = 133123232003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133123232051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41991 + ... + 517696.

It is an arithmetic number, because the mean of its divisors is an integer number (10376615520).

Almost surely, 2^133123232011 is an apocalyptic number.

133123232011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133123232011 is a deficient number, since it is larger than the sum of its proper divisors (32902616309).

133123232011 is a wasteful number, since it uses less digits than its factorization.

133123232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562794.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133123232011 its reverse (110232321331), we get a palindrome (243355553342).

The spelling of 133123232011 in words is "one hundred thirty-three billion, one hundred twenty-three million, two hundred thirty-two thousand, eleven".