123323423 has 4 divisors (see below), whose sum is σ = 130577760. Its totient is φ = 116069088.

The previous prime is 123323419. The next prime is 123323443. The reversal of 123323423 is 324323321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324323321 = 7 ⋅46331903.

It is a cyclic number.

It is not a de Polignac number, because 123323423 - 2² = 123323419 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 (123323413) 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, 3627143 + ... + 3627176.

It is an arithmetic number, because the mean of its divisors is an integer number (32644440).

Almost surely, 2^123323423 is an apocalyptic number.

123323423 is a deficient number, since it is larger than the sum of its proper divisors (7254337).

123323423 is an equidigital number, since it uses as much as digits as its factorization.

123323423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254336.

The product of its digits is 2592, while the sum is 23.

The square root of 123323423 is about 11105.1079688583. The cubic root of 123323423 is about 497.7544945068.

Adding to 123323423 its reverse (324323321), we get a palindrome (447646744).

The spelling of 123323423 in words is "one hundred twenty-three million, three hundred twenty-three thousand, four hundred twenty-three".