1233214421 has 4 divisors (see below), whose sum is σ = 1234195200. Its totient is φ = 1232233644.

The previous prime is 1233214417. The next prime is 1233214453. The reversal of 1233214421 is 1244123321.

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 1233214421 - 2² = 1233214417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233214471) 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, 488501 + ... + 491018.

It is an arithmetic number, because the mean of its divisors is an integer number (308548800).

Almost surely, 2^1233214421 is an apocalyptic number.

It is an amenable number.

1233214421 is a deficient number, since it is larger than the sum of its proper divisors (980779).

1233214421 is an equidigital number, since it uses as much as digits as its factorization.

1233214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980778.

The product of its digits is 1152, while the sum is 23.

The square root of 1233214421 is about 35117.1528031530. The cubic root of 1233214421 is about 1072.3738083044.

Adding to 1233214421 its reverse (1244123321), we get a palindrome (2477337742).

The spelling of 1233214421 in words is "one billion, two hundred thirty-three million, two hundred fourteen thousand, four hundred twenty-one".