423349 has 4 divisors (see below), whose sum is σ = 424960. Its totient is φ = 421740.

The previous prime is 423347. The next prime is 423389. The reversal of 423349 is 943324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423349 - 2¹ = 423347 is a prime.

It is a Duffinian number.

423349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423341) 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, 309 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (106240).

2⁴²³³⁴⁹ is an apocalyptic number.

It is an amenable number.

423349 is a deficient number, since it is larger than the sum of its proper divisors (1611).

423349 is a wasteful number, since it uses less digits than its factorization.

423349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its digits is 2592, while the sum is 25.

The square root of 423349 is about 650.6527491681. The cubic root of 423349 is about 75.0872466158.

Subtracting from 423349 its sum of digits (25), we obtain a palindrome (423324).

The spelling of 423349 in words is "four hundred twenty-three thousand, three hundred forty-nine".