1223120433 has 32 divisors (see below), whose sum is σ = 1728889344. Its totient is φ = 768172032.

The previous prime is 1223120417. The next prime is 1223120461. The reversal of 1223120433 is 3340213221.

It is not a de Polignac number, because 1223120433 - 2⁴ = 1223120417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223120413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504841 + ... + 507257.

It is an arithmetic number, because the mean of its divisors is an integer number (54027792).

Almost surely, 2^1223120433 is an apocalyptic number.

It is an amenable number.

1223120433 is a deficient number, since it is larger than the sum of its proper divisors (505768911).

1223120433 is a wasteful number, since it uses less digits than its factorization.

1223120433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1223120433 is about 34973.1387353209. The cubic root of 1223120433 is about 1069.4399587654.

Adding to 1223120433 its reverse (3340213221), we get a palindrome (4563333654).

The spelling of 1223120433 in words is "one billion, two hundred twenty-three million, one hundred twenty thousand, four hundred thirty-three".