23121105434107 has 2 divisors, whose sum is σ = 23121105434108. Its totient is φ = 23121105434106.

The previous prime is 23121105434069. The next prime is 23121105434201. The reversal of 23121105434107 is 70143450112132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23121105434107 - 2²⁷ = 23120971216379 is a prime.

It is not a weakly prime, because it can be changed into another prime (23121105435107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560552717053 + 11560552717054.

It is an arithmetic number, because the mean of its divisors is an integer number (11560552717054).

Almost surely, 2^{23121105434107} is an apocalyptic number.

23121105434107 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121105434107 is an equidigital number, since it uses as much as digits as its factorization.

23121105434107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 23121105434107 its reverse (70143450112132), we get a palindrome (93264555546239).

The spelling of 23121105434107 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred five million, four hundred thirty-four thousand, one hundred seven".