23440423001 has 2 divisors, whose sum is σ = 23440423002. Its totient is φ = 23440423000.

The previous prime is 23440422991. The next prime is 23440423003. The reversal of 23440423001 is 10032404432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21563454025 + 1876968976 = 146845^2 + 43324^2 .

It is a cyclic number.

It is not a de Polignac number, because 23440423001 - 2²⁶ = 23373314137 is a prime.

Together with 23440423003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23440423003) 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 as a sum of consecutive naturals, namely, 11720211500 + 11720211501.

It is an arithmetic number, because the mean of its divisors is an integer number (11720211501).

Almost surely, 2^23440423001 is an apocalyptic number.

It is an amenable number.

23440423001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440423001 is an equidigital number, since it uses as much as digits as its factorization.

23440423001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23440423001 its reverse (10032404432), we get a palindrome (33472827433).

The spelling of 23440423001 in words is "twenty-three billion, four hundred forty million, four hundred twenty-three thousand, one".