122623 has 4 divisors (see below), whose sum is σ = 125280. Its totient is φ = 119968.

The previous prime is 122611. The next prime is 122651. The reversal of 122623 is 326221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122623 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 122597 and 122606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122653) 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, 1258 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2¹²²⁶²³ is an apocalyptic number.

122623 is a deficient number, since it is larger than the sum of its proper divisors (2657).

122623 is an equidigital number, since it uses as much as digits as its factorization.

122623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its digits is 144, while the sum is 16.

The square root of 122623 is about 350.1756702000. The cubic root of 122623 is about 49.6810362358.

Adding to 122623 its reverse (326221), we get a palindrome (448844).

The spelling of 122623 in words is "one hundred twenty-two thousand, six hundred twenty-three".