123111033133 has 16 divisors (see below), whose sum is σ = 134743150080. Its totient is φ = 111552545200.

The previous prime is 123111033107. The next prime is 123111033167. The reversal of 123111033133 is 331330111321.

It is a cyclic number.

It is not a de Polignac number, because 123111033133 - 2²⁵ = 123077478701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111033233) 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, 13320528 + ... + 13329766.

It is an arithmetic number, because the mean of its divisors is an integer number (8421446880).

Almost surely, 2^123111033133 is an apocalyptic number.

It is an amenable number.

123111033133 is a deficient number, since it is larger than the sum of its proper divisors (11632116947).

123111033133 is a wasteful number, since it uses less digits than its factorization.

123111033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 123111033133 its reverse (331330111321), we get a palindrome (454441144454).

The spelling of 123111033133 in words is "one hundred twenty-three billion, one hundred eleven million, thirty-three thousand, one hundred thirty-three".