23231321201 has 4 divisors (see below), whose sum is σ = 25343259504. Its totient is φ = 21119382900.

The previous prime is 23231321137. The next prime is 23231321207. The reversal of 23231321201 is 10212313232.

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 not a de Polignac number, because 23231321201 - 2⁶ = 23231321137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23231321207) 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 3 ways as a sum of consecutive naturals, for example, 1055969135 + ... + 1055969156.

It is an arithmetic number, because the mean of its divisors is an integer number (6335814876).

Almost surely, 2^23231321201 is an apocalyptic number.

It is an amenable number.

23231321201 is a deficient number, since it is larger than the sum of its proper divisors (2111938303).

23231321201 is a wasteful number, since it uses less digits than its factorization.

23231321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111938302.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23231321201 its reverse (10212313232), we get a palindrome (33443634433).

The spelling of 23231321201 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred one".