423151 has 4 divisors (see below), whose sum is σ = 424672. Its totient is φ = 421632.

The previous prime is 423133. The next prime is 423173. The reversal of 423151 is 151324.

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

It is a cyclic number.

It is not a de Polignac number, because 423151 - 2¹¹ = 421103 is a prime.

It is the 651-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423121) by changing a digit.

It is a nontrivial repunit in base 650.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (106168).

2⁴²³¹⁵¹ is an apocalyptic number.

423151 is a deficient number, since it is larger than the sum of its proper divisors (1521).

423151 is a wasteful number, since it uses less digits than its factorization.

423151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its digits is 120, while the sum is 16.

The square root of 423151 is about 650.5005764794. The cubic root of 423151 is about 75.0755387080.

Adding to 423151 its reverse (151324), we get a palindrome (574475).

The spelling of 423151 in words is "four hundred twenty-three thousand, one hundred fifty-one".