23240242104421 has 2 divisors, whose sum is σ = 23240242104422. Its totient is φ = 23240242104420.

The previous prime is 23240242104413. The next prime is 23240242104479. The reversal of 23240242104421 is 12440124204232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18718299396225 + 4521942708196 = 4326465^2 + 2126486^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240242104421 - 2³ = 23240242104413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240242101421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620121052210 + 11620121052211.

It is an arithmetic number, because the mean of its divisors is an integer number (11620121052211).

Almost surely, 2^{23240242104421} is an apocalyptic number.

It is an amenable number.

23240242104421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240242104421 is an equidigital number, since it uses as much as digits as its factorization.

23240242104421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 23240242104421 its reverse (12440124204232), we get a palindrome (35680366308653).

The spelling of 23240242104421 in words is "twenty-three trillion, two hundred forty billion, two hundred forty-two million, one hundred four thousand, four hundred twenty-one".