423149 has 4 divisors (see below), whose sum is σ = 445440. Its totient is φ = 400860.

The previous prime is 423133. The next prime is 423173. The reversal of 423149 is 941324.

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 423149 - 2⁴ = 423133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423149.

It is not an unprimeable number, because it can be changed into a prime (423109) 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, 11117 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (111360).

2⁴²³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

423149 is a deficient number, since it is larger than the sum of its proper divisors (22291).

423149 is a wasteful number, since it uses less digits than its factorization.

423149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290.

The product of its digits is 864, while the sum is 23.

The square root of 423149 is about 650.4990391999. The cubic root of 423149 is about 75.0754204277.

The spelling of 423149 in words is "four hundred twenty-three thousand, one hundred forty-nine".