23043121201 has 2 divisors, whose sum is σ = 23043121202. Its totient is φ = 23043121200.

The previous prime is 23043121193. The next prime is 23043121217. The reversal of 23043121201 is 10212134032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18456581025 + 4586540176 = 135855^2 + 67724^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043121201 - 2³ = 23043121193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23043121271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521560600 + 11521560601.

It is an arithmetic number, because the mean of its divisors is an integer number (11521560601).

Almost surely, 2^23043121201 is an apocalyptic number.

It is an amenable number.

23043121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043121201 is an equidigital number, since it uses as much as digits as its factorization.

23043121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23043121201 its reverse (10212134032), we get a palindrome (33255255233).

The spelling of 23043121201 in words is "twenty-three billion, forty-three million, one hundred twenty-one thousand, two hundred one".