1232313201 has 72 divisors (see below), whose sum is σ = 2119781664. Its totient is φ = 687697920.

The previous prime is 1232313197. The next prime is 1232313227. The reversal of 1232313201 is 1023132321.

It is not a de Polignac number, because 1232313201 - 2² = 1232313197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4794865 + ... + 4795121.

It is an arithmetic number, because the mean of its divisors is an integer number (29441412).

Almost surely, 2^1232313201 is an apocalyptic number.

It is an amenable number.

1232313201 is a deficient number, since it is larger than the sum of its proper divisors (887468463).

1232313201 is a wasteful number, since it uses less digits than its factorization.

1232313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232313201 is about 35104.3188368611. The cubic root of 1232313201 is about 1072.1125181819.

Adding to 1232313201 its reverse (1023132321), we get a palindrome (2255445522).

The spelling of 1232313201 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred one".