345923 has 2 divisors, whose sum is σ = 345924. Its totient is φ = 345922.

The previous prime is 345907. The next prime is 345937. The reversal of 345923 is 329543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345923 - 2⁴ = 345907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345892 and 345901.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345923.

It is not a weakly prime, because it can be changed into another prime (345953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172961 + 172962.

It is an arithmetic number, because the mean of its divisors is an integer number (172962).

2³⁴⁵⁹²³ is an apocalyptic number.

345923 is a deficient number, since it is larger than the sum of its proper divisors (1).

345923 is an equidigital number, since it uses as much as digits as its factorization.

345923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 345923 is about 588.1521911886. The cubic root of 345923 is about 70.1982813572.

Multiplying 345923 by its sum of digits (26), we get a palindrome (8993998).

The spelling of 345923 in words is "three hundred forty-five thousand, nine hundred twenty-three".