2406423 has 4 divisors (see below), whose sum is σ = 3208568. Its totient is φ = 1604280.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406423 is 3246042.

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

It is not a de Polignac number, because 2406423 - 2¹⁰ = 2405399 is a prime.

It is a D-number.

It is a Duffinian number.

2406423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2406423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406463) 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, 401068 + ... + 401073.

It is an arithmetic number, because the mean of its divisors is an integer number (802142).

2^2406423 is an apocalyptic number.

2406423 is a deficient number, since it is larger than the sum of its proper divisors (802145).

2406423 is an equidigital number, since it uses as much as digits as its factorization.

2406423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2406423 is about 1551.2649676957. The cubic root of 2406423 is about 134.0059216214.

The spelling of 2406423 in words is "two million, four hundred six thousand, four hundred twenty-three".