123233111101 has 4 divisors (see below), whose sum is σ = 123499273792. Its totient is φ = 122966948412.

The previous prime is 123233111083. The next prime is 123233111149. The reversal of 123233111101 is 101111332321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123233111101 - 2⁵ = 123233111069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233111171) 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, 133080651 + ... + 133081576.

It is an arithmetic number, because the mean of its divisors is an integer number (30874818448).

Almost surely, 2^123233111101 is an apocalyptic number.

It is an amenable number.

123233111101 is a deficient number, since it is larger than the sum of its proper divisors (266162691).

123233111101 is an equidigital number, since it uses as much as digits as its factorization.

123233111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266162690.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123233111101 its reverse (101111332321), we get a palindrome (224344443422).

The spelling of 123233111101 in words is "one hundred twenty-three billion, two hundred thirty-three million, one hundred eleven thousand, one hundred one".