123042323 has 4 divisors (see below), whose sum is σ = 123065088. Its totient is φ = 123019560.

The previous prime is 123042281. The next prime is 123042349. The reversal of 123042323 is 323240321.

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 123042323 - 2⁶ = 123042259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123042295 and 123042304.

It is not an unprimeable number, because it can be changed into a prime (123042373) 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, 1865 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (30766272).

Almost surely, 2^123042323 is an apocalyptic number.

123042323 is a deficient number, since it is larger than the sum of its proper divisors (22765).

123042323 is an equidigital number, since it uses as much as digits as its factorization.

123042323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123042323 is about 11092.4444104985. Note that the first 4 decimals coincide. The cubic root of 123042323 is about 497.3760175211.

Adding to 123042323 its reverse (323240321), we get a palindrome (446282644).

The spelling of 123042323 in words is "one hundred twenty-three million, forty-two thousand, three hundred twenty-three".