123111333230023 has 4 divisors (see below), whose sum is σ = 123137577390168. Its totient is φ = 123085089069880.

The previous prime is 123111333229993. The next prime is 123111333230057. The reversal of 123111333230023 is 320032333111321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123111333230023 - 2³³ = 123102743295431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123111333229973 and 123111333230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111333210023) 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, 13122073036 + ... + 13122082417.

It is an arithmetic number, because the mean of its divisors is an integer number (30784394347542).

Almost surely, 2^{123111333230023} is an apocalyptic number.

123111333230023 is a deficient number, since it is larger than the sum of its proper divisors (26244160145).

123111333230023 is an equidigital number, since it uses as much as digits as its factorization.

123111333230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26244160144.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 123111333230023 its reverse (320032333111321), we get a palindrome (443143666341344).

The spelling of 123111333230023 in words is "one hundred twenty-three trillion, one hundred eleven billion, three hundred thirty-three million, two hundred thirty thousand, twenty-three".