1223165433 has 16 divisors (see below), whose sum is σ = 1871677440. Its totient is φ = 696024336.

The previous prime is 1223165407. The next prime is 1223165513. The reversal of 1223165433 is 3345613221.

It is not a de Polignac number, because 1223165433 - 2²¹ = 1221068281 is a prime.

It is a super-2 number, since 2×1223165433² = 2992267352972154978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223165433.

It is not an unprimeable number, because it can be changed into a prime (1223165633) 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, 116835 + ... + 126872.

It is an arithmetic number, because the mean of its divisors is an integer number (116979840).

Almost surely, 2^1223165433 is an apocalyptic number.

It is an amenable number.

1223165433 is a deficient number, since it is larger than the sum of its proper divisors (648512007).

1223165433 is a wasteful number, since it uses less digits than its factorization.

1223165433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243956.

The product of its digits is 12960, while the sum is 30.

The square root of 1223165433 is about 34973.7820802955. The cubic root of 1223165433 is about 1069.4530739110.

Adding to 1223165433 its reverse (3345613221), we get a palindrome (4568778654).

The spelling of 1223165433 in words is "one billion, two hundred twenty-three million, one hundred sixty-five thousand, four hundred thirty-three".