1223004355 has 16 divisors (see below), whose sum is σ = 1474790400. Its totient is φ = 973628640.

The previous prime is 1223004317. The next prime is 1223004373. The reversal of 1223004355 is 5534003221.

It is not a de Polignac number, because 1223004355 - 2⁹ = 1223003843 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1654576 + ... + 1655314.

It is an arithmetic number, because the mean of its divisors is an integer number (92174400).

Almost surely, 2^1223004355 is an apocalyptic number.

1223004355 is a deficient number, since it is larger than the sum of its proper divisors (251786045).

1223004355 is an equidigital number, since it uses as much as digits as its factorization.

1223004355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1223004355 is about 34971.4791651712. The cubic root of 1223004355 is about 1069.4061266162.

Adding to 1223004355 its reverse (5534003221), we get a palindrome (6757007576).

The spelling of 1223004355 in words is "one billion, two hundred twenty-three million, four thousand, three hundred fifty-five".