23040121000123 has 2 divisors, whose sum is σ = 23040121000124. Its totient is φ = 23040121000122.

The previous prime is 23040121000121. The next prime is 23040121000133. The reversal of 23040121000123 is 32100012104032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23040121000123 - 2¹ = 23040121000121 is a prime.

Together with 23040121000121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23040121000123.

It is not a weakly prime, because it can be changed into another prime (23040121000121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520060500061 + 11520060500062.

It is an arithmetic number, because the mean of its divisors is an integer number (11520060500062).

Almost surely, 2^{23040121000123} is an apocalyptic number.

23040121000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040121000123 is an equidigital number, since it uses as much as digits as its factorization.

23040121000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23040121000123 its reverse (32100012104032), we get a palindrome (55140133104155).

The spelling of 23040121000123 in words is "twenty-three trillion, forty billion, one hundred twenty-one million, one hundred twenty-three", and thus it is an aban number.