1223233201 has 4 divisors (see below), whose sum is σ = 1223303152. Its totient is φ = 1223163252.

The previous prime is 1223233199. The next prime is 1223233259. The reversal of 1223233201 is 1023323221.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1023323221 = 719 ⋅1423259.

It is a cyclic number.

It is not a de Polignac number, because 1223233201 - 2¹ = 1223233199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223233261) 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, 17290 + ... + 52396.

It is an arithmetic number, because the mean of its divisors is an integer number (305825788).

Almost surely, 2^1223233201 is an apocalyptic number.

It is an amenable number.

1223233201 is a deficient number, since it is larger than the sum of its proper divisors (69951).

1223233201 is an equidigital number, since it uses as much as digits as its factorization.

1223233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69950.

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

The square root of 1223233201 is about 34974.7509069043. The cubic root of 1223233201 is about 1069.4728241306.

Adding to 1223233201 its reverse (1023323221), we get a palindrome (2246556422).

It can be divided in two parts, 122 and 3233201, that added together give a palindrome (3233323).

The spelling of 1223233201 in words is "one billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred one".