2451223 has 2 divisors, whose sum is σ = 2451224. Its totient is φ = 2451222.

The previous prime is 2451221. The next prime is 2451233. The reversal of 2451223 is 3221542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2451223 - 2¹ = 2451221 is a prime.

Together with 2451221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2451223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225611 + 1225612.

It is an arithmetic number, because the mean of its divisors is an integer number (1225612).

2^2451223 is an apocalyptic number.

2451223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451223 is an equidigital number, since it uses as much as digits as its factorization.

2451223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 19.

The square root of 2451223 is about 1565.6382085271. The cubic root of 2451223 is about 134.8324029035.

Adding to 2451223 its reverse (3221542), we get a palindrome (5672765).

The spelling of 2451223 in words is "two million, four hundred fifty-one thousand, two hundred twenty-three".