121115926423 has 2 divisors, whose sum is σ = 121115926424. Its totient is φ = 121115926422.

The previous prime is 121115926411. The next prime is 121115926441. The reversal of 121115926423 is 324629511121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121115926423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121115926123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60557963211 + 60557963212.

It is an arithmetic number, because the mean of its divisors is an integer number (60557963212).

Almost surely, 2^121115926423 is an apocalyptic number.

121115926423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121115926423 is an equidigital number, since it uses as much as digits as its factorization.

121115926423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The spelling of 121115926423 in words is "one hundred twenty-one billion, one hundred fifteen million, nine hundred twenty-six thousand, four hundred twenty-three".