1232023201001 has 4 divisors (see below), whose sum is σ = 1232156994900. Its totient is φ = 1231889407104.

The previous prime is 1232023200917. The next prime is 1232023201009. The reversal of 1232023201001 is 1001023202321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777396653401 + 454626547600 = 881701^2 + 674260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232023201001 - 2³⁰ = 1230949459177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232023201009) 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, 66883136 + ... + 66901553.

It is an arithmetic number, because the mean of its divisors is an integer number (308039248725).

Almost surely, 2^{1232023201001} is an apocalyptic number.

It is an amenable number.

1232023201001 is a deficient number, since it is larger than the sum of its proper divisors (133793899).

1232023201001 is an equidigital number, since it uses as much as digits as its factorization.

1232023201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133793898.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1232023201001 its reverse (1001023202321), we get a palindrome (2233046403322).

The spelling of 1232023201001 in words is "one trillion, two hundred thirty-two billion, twenty-three million, two hundred one thousand, one".