2423247 has 4 divisors (see below), whose sum is σ = 3231000. Its totient is φ = 1615496.

The previous prime is 2423237. The next prime is 2423249. The reversal of 2423247 is 7423242.

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 2423247 - 2¹⁰ = 2422223 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423249) 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, 403872 + ... + 403877.

It is an arithmetic number, because the mean of its divisors is an integer number (807750).

2^2423247 is an apocalyptic number.

2423247 is a deficient number, since it is larger than the sum of its proper divisors (807753).

2423247 is an equidigital number, since it uses as much as digits as its factorization.

2423247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807752.

The product of its digits is 2688, while the sum is 24.

The square root of 2423247 is about 1556.6781941044. The cubic root of 2423247 is about 134.3174880622.

Adding to 2423247 its reverse (7423242), we get a palindrome (9846489).

The spelling of 2423247 in words is "two million, four hundred twenty-three thousand, two hundred forty-seven".