1223033001 has 4 divisors (see below), whose sum is σ = 1630710672. Its totient is φ = 815355332.

The previous prime is 1223032999. The next prime is 1223033003. The reversal of 1223033001 is 1003303221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1003303221 = 3 ⋅334434407.

It is an interprime number because it is at equal distance from previous prime (1223032999) and next prime (1223033003).

It is a cyclic number.

It is not a de Polignac number, because 1223033001 - 2¹ = 1223032999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223033003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203838831 + ... + 203838836.

It is an arithmetic number, because the mean of its divisors is an integer number (407677668).

Almost surely, 2^1223033001 is an apocalyptic number.

It is an amenable number.

1223033001 is a deficient number, since it is larger than the sum of its proper divisors (407677671).

1223033001 is an equidigital number, since it uses as much as digits as its factorization.

1223033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407677670.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1223033001 is about 34971.8887250889. Note that the first 3 decimals coincide. The cubic root of 1223033001 is about 1069.4144759920.

Adding to 1223033001 its reverse (1003303221), we get a palindrome (2226336222).

The spelling of 1223033001 in words is "one billion, two hundred twenty-three million, thirty-three thousand, one".