1234404223 has 16 divisors (see below), whose sum is σ = 1347746400. Its totient is φ = 1130488320.

The previous prime is 1234404211. The next prime is 1234404247. The reversal of 1234404223 is 3224044321.

It is a happy number.

It is not a de Polignac number, because 1234404223 - 2⁵ = 1234404191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234404263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285663 + ... + 289951.

It is an arithmetic number, because the mean of its divisors is an integer number (84234150).

Almost surely, 2^1234404223 is an apocalyptic number.

1234404223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1234404223 is a deficient number, since it is larger than the sum of its proper divisors (113342177).

1234404223 is an equidigital number, since it uses as much as digits as its factorization.

1234404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459 (or 4433 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1234404223 is about 35134.0891869990. The cubic root of 1234404223 is about 1072.7185719205.

Adding to 1234404223 its reverse (3224044321), we get a palindrome (4458448544).

The spelling of 1234404223 in words is "one billion, two hundred thirty-four million, four hundred four thousand, two hundred twenty-three".