1233023221 has 8 divisors (see below), whose sum is σ = 1307829600. Its totient is φ = 1159207920.

The previous prime is 1233023179. The next prime is 1233023257. The reversal of 1233023221 is 1223203321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233023221 - 2¹³ = 1233015029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233023321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245206 + ... + 250183.

It is an arithmetic number, because the mean of its divisors is an integer number (163478700).

Almost surely, 2^1233023221 is an apocalyptic number.

It is an amenable number.

1233023221 is a deficient number, since it is larger than the sum of its proper divisors (74806379).

1233023221 is a wasteful number, since it uses less digits than its factorization.

1233023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495539.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1233023221 is about 35114.4303812549. The cubic root of 1233023221 is about 1072.3183844554.

Adding to 1233023221 its reverse (1223203321), we get a palindrome (2456226542).

The spelling of 1233023221 in words is "one billion, two hundred thirty-three million, twenty-three thousand, two hundred twenty-one".