121423413312239 has 2 divisors, whose sum is σ = 121423413312240. Its totient is φ = 121423413312238.

The previous prime is 121423413312133. The next prime is 121423413312269. The reversal of 121423413312239 is 932213314324121.

It is a strong prime.

It is an emirp because it is prime and its reverse (932213314324121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121423413312239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121423413312196 and 121423413312205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121423413312269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711706656119 + 60711706656120.

It is an arithmetic number, because the mean of its divisors is an integer number (60711706656120).

Almost surely, 2^{121423413312239} is an apocalyptic number.

121423413312239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121423413312239 is an equidigital number, since it uses as much as digits as its factorization.

121423413312239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The spelling of 121423413312239 in words is "one hundred twenty-one trillion, four hundred twenty-three billion, four hundred thirteen million, three hundred twelve thousand, two hundred thirty-nine".