123100030023 has 4 divisors (see below), whose sum is σ = 164133373368. Its totient is φ = 82066686680.

The previous prime is 123100030007. The next prime is 123100030087. The reversal of 123100030023 is 320030001321.

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 123100030023 - 2⁴ = 123100030007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123100029984 and 123100030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100030093) 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, 20516671668 + ... + 20516671673.

It is an arithmetic number, because the mean of its divisors is an integer number (41033343342).

Almost surely, 2^123100030023 is an apocalyptic number.

123100030023 is a deficient number, since it is larger than the sum of its proper divisors (41033343345).

123100030023 is an equidigital number, since it uses as much as digits as its factorization.

123100030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41033343344.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123100030023 its reverse (320030001321), we get a palindrome (443130031344).

The spelling of 123100030023 in words is "one hundred twenty-three billion, one hundred million, thirty thousand, twenty-three".