133023111 has 24 divisors (see below), whose sum is σ = 195356160. Its totient is φ = 80454816.

The previous prime is 133023089. The next prime is 133023119. The reversal of 133023111 is 111320331.

It is not a de Polignac number, because 133023111 - 2¹⁵ = 132990343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023119) 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 23 ways as a sum of consecutive naturals, for example, 27690 + ... + 32136.

It is an arithmetic number, because the mean of its divisors is an integer number (8139840).

Almost surely, 2^133023111 is an apocalyptic number.

133023111 is a deficient number, since it is larger than the sum of its proper divisors (62333049).

133023111 is a wasteful number, since it uses less digits than its factorization.

133023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133023111 is about 11533.5645400717. The cubic root of 133023111 is about 510.4764367476.

Adding to 133023111 its reverse (111320331), we get a palindrome (244343442).

The spelling of 133023111 in words is "one hundred thirty-three million, twenty-three thousand, one hundred eleven".