123330423 has 4 divisors (see below), whose sum is σ = 164440568. Its totient is φ = 82220280.

The previous prime is 123330421. The next prime is 123330437. The reversal of 123330423 is 324033321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324033321 = 3 ⋅108011107.

It is not a de Polignac number, because 123330423 - 2¹ = 123330421 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 123330423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123330421) 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, 20555068 + ... + 20555073.

It is an arithmetic number, because the mean of its divisors is an integer number (41110142).

Almost surely, 2^123330423 is an apocalyptic number.

123330423 is a deficient number, since it is larger than the sum of its proper divisors (41110145).

123330423 is an equidigital number, since it uses as much as digits as its factorization.

123330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41110144.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 123330423 is about 11105.4231346671. The cubic root of 123330423 is about 497.7639120623.

Adding to 123330423 its reverse (324033321), we get a palindrome (447363744).

It can be divided in two parts, 123330 and 423, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 123330423 in words is "one hundred twenty-three million, three hundred thirty thousand, four hundred twenty-three".