1223200033 has 4 divisors (see below), whose sum is σ = 1334400048. Its totient is φ = 1112000020.

The previous prime is 1223200021. The next prime is 1223200049. The reversal of 1223200033 is 3300023221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223200033 - 2²⁹ = 686329121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223200073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55599991 + ... + 55600012.

It is an arithmetic number, because the mean of its divisors is an integer number (333600012).

Almost surely, 2^1223200033 is an apocalyptic number.

It is an amenable number.

1223200033 is a deficient number, since it is larger than the sum of its proper divisors (111200015).

1223200033 is a wasteful number, since it uses less digits than its factorization.

1223200033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111200014.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1223200033 is about 34974.2767330505. The cubic root of 1223200033 is about 1069.4631577821.

Adding to 1223200033 its reverse (3300023221), we get a palindrome (4523223254).

The spelling of 1223200033 in words is "one billion, two hundred twenty-three million, two hundred thousand, thirty-three".