23004044241821 has 2 divisors, whose sum is σ = 23004044241822. Its totient is φ = 23004044241820.

The previous prime is 23004044241809. The next prime is 23004044241847. The reversal of 23004044241821 is 12814244040032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12594968025721 + 10409076216100 = 3548939^2 + 3226310^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004044241821 - 2⁴² = 18605997730717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23004044201821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502022120910 + 11502022120911.

It is an arithmetic number, because the mean of its divisors is an integer number (11502022120911).

Almost surely, 2^{23004044241821} is an apocalyptic number.

It is an amenable number.

23004044241821 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004044241821 is an equidigital number, since it uses as much as digits as its factorization.

23004044241821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 23004044241821 its reverse (12814244040032), we get a palindrome (35818288281853).

The spelling of 23004044241821 in words is "twenty-three trillion, four billion, forty-four million, two hundred forty-one thousand, eight hundred twenty-one".