23144403024121 has 2 divisors, whose sum is σ = 23144403024122. Its totient is φ = 23144403024120.

The previous prime is 23144403024079. The next prime is 23144403024173. The reversal of 23144403024121 is 12142030444132.

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., 20589405378025 + 2554997646096 = 4537555^2 + 1598436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23144403024121 is a prime.

It is not a weakly prime, because it can be changed into another prime (23144403024521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572201512060 + 11572201512061.

It is an arithmetic number, because the mean of its divisors is an integer number (11572201512061).

Almost surely, 2^{23144403024121} is an apocalyptic number.

It is an amenable number.

23144403024121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144403024121 is an equidigital number, since it uses as much as digits as its factorization.

23144403024121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23144403024121 its reverse (12142030444132), we get a palindrome (35286433468253).

The spelling of 23144403024121 in words is "twenty-three trillion, one hundred forty-four billion, four hundred three million, twenty-four thousand, one hundred twenty-one".