123433030011 has 4 divisors (see below), whose sum is σ = 164577373352. Its totient is φ = 82288686672.

The previous prime is 123433030001. The next prime is 123433030031. The reversal of 123433030011 is 110030334321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123433030011 - 2⁶ = 123433029947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123433030011.

It is not an unprimeable number, because it can be changed into a prime (123433030001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20572171666 + ... + 20572171671.

It is an arithmetic number, because the mean of its divisors is an integer number (41144343338).

Almost surely, 2^123433030011 is an apocalyptic number.

123433030011 is a deficient number, since it is larger than the sum of its proper divisors (41144343341).

123433030011 is an equidigital number, since it uses as much as digits as its factorization.

123433030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41144343340.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123433030011 its reverse (110030334321), we get a palindrome (233463364332).

The spelling of 123433030011 in words is "one hundred twenty-three billion, four hundred thirty-three million, thirty thousand, eleven".