23240127104021 has 2 divisors, whose sum is σ = 23240127104022. Its totient is φ = 23240127104020.

The previous prime is 23240127104017. The next prime is 23240127104023. The reversal of 23240127104021 is 12040172104232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22203782743921 + 1036344360100 = 4712089^2 + 1018010^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240127104021 - 2² = 23240127104017 is a prime.

It is a super-2 number, since 2×23240127104021² (a number of 28 digits) contains 22 as substring.

Together with 23240127104023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240127104023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620063552010 + 11620063552011.

It is an arithmetic number, because the mean of its divisors is an integer number (11620063552011).

Almost surely, 2^{23240127104021} is an apocalyptic number.

It is an amenable number.

23240127104021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240127104021 is an equidigital number, since it uses as much as digits as its factorization.

23240127104021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 23240127104021 its reverse (12040172104232), we get a palindrome (35280299208253).

The spelling of 23240127104021 in words is "twenty-three trillion, two hundred forty billion, one hundred twenty-seven million, one hundred four thousand, twenty-one".