344623 has 4 divisors (see below), whose sum is σ = 346248. Its totient is φ = 343000.

The previous prime is 344621. The next prime is 344629. The reversal of 344623 is 326443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326443 = 13 ⋅25111.

It is a cyclic number.

It is not a de Polignac number, because 344623 - 2¹ = 344621 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344594 and 344603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344621) 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, 436 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (86562).

2³⁴⁴⁶²³ is an apocalyptic number.

344623 is a deficient number, since it is larger than the sum of its proper divisors (1625).

344623 is a wasteful number, since it uses less digits than its factorization.

344623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its digits is 1728, while the sum is 22.

The square root of 344623 is about 587.0459947909. The cubic root of 344623 is about 70.1102344773.

The spelling of 344623 in words is "three hundred forty-four thousand, six hundred twenty-three".