224323403 has 2 divisors, whose sum is σ = 224323404. Its totient is φ = 224323402.

The previous prime is 224323399. The next prime is 224323427. The reversal of 224323403 is 304323422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224323403 - 2² = 224323399 is a prime.

It is not a weakly prime, because it can be changed into another prime (224323453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112161701 + 112161702.

It is an arithmetic number, because the mean of its divisors is an integer number (112161702).

Almost surely, 2^224323403 is an apocalyptic number.

224323403 is a deficient number, since it is larger than the sum of its proper divisors (1).

224323403 is an equidigital number, since it uses as much as digits as its factorization.

224323403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 224323403 is about 14977.4297861816. The cubic root of 224323403 is about 607.6099282293.

Adding to 224323403 its reverse (304323422), we get a palindrome (528646825).

The spelling of 224323403 in words is "two hundred twenty-four million, three hundred twenty-three thousand, four hundred three".