1223033313 has 16 divisors (see below), whose sum is σ = 1658457216. Its totient is φ = 801555840.

The previous prime is 1223033311. The next prime is 1223033333. The reversal of 1223033313 is 3133303221.

It is not a de Polignac number, because 1223033313 - 2¹ = 1223033311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223033313.

It is not an unprimeable number, because it can be changed into a prime (1223033311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59131 + ... + 77087.

It is an arithmetic number, because the mean of its divisors is an integer number (103653576).

Almost surely, 2^1223033313 is an apocalyptic number.

It is an amenable number.

1223033313 is a deficient number, since it is larger than the sum of its proper divisors (435423903).

1223033313 is a wasteful number, since it uses less digits than its factorization.

1223033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1223033313 is about 34971.8931858142. The cubic root of 1223033313 is about 1069.4145669291.

Adding to 1223033313 its reverse (3133303221), we get a palindrome (4356336534).

The spelling of 1223033313 in words is "one billion, two hundred twenty-three million, thirty-three thousand, three hundred thirteen".