427123 has 4 divisors (see below), whose sum is σ = 433048. Its totient is φ = 421200.

The previous prime is 427117. The next prime is 427151. The reversal of 427123 is 321724.

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 427123 - 2⁹ = 426611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427123.

It is not an unprimeable number, because it can be changed into a prime (427103) 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, 2853 + ... + 2998.

It is an arithmetic number, because the mean of its divisors is an integer number (108262).

2⁴²⁷¹²³ is an apocalyptic number.

427123 is a deficient number, since it is larger than the sum of its proper divisors (5925).

427123 is an equidigital number, since it uses as much as digits as its factorization.

427123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924.

The product of its digits is 336, while the sum is 19.

The square root of 427123 is about 653.5464788368. The cubic root of 427123 is about 75.3097118795.

Adding to 427123 its reverse (321724), we get a palindrome (748847).

The spelling of 427123 in words is "four hundred twenty-seven thousand, one hundred twenty-three", and thus it is an iban number.