23121323103103 has 2 divisors, whose sum is σ = 23121323103104. Its totient is φ = 23121323103102.

The previous prime is 23121323103061. The next prime is 23121323103107. The reversal of 23121323103103 is 30130132312132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121323103103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121323103107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560661551551 + 11560661551552.

It is an arithmetic number, because the mean of its divisors is an integer number (11560661551552).

Almost surely, 2^{23121323103103} is an apocalyptic number.

23121323103103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121323103103 is an equidigital number, since it uses as much as digits as its factorization.

23121323103103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23121323103103 its reverse (30130132312132), we get a palindrome (53251455415235).

The spelling of 23121323103103 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred three thousand, one hundred three".