121246423 has 2 divisors, whose sum is σ = 121246424. Its totient is φ = 121246422.

The previous prime is 121246421. The next prime is 121246441. The reversal of 121246423 is 324642121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (324642121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121246423 - 2¹ = 121246421 is a prime.

Together with 121246421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121246421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60623211 + 60623212.

It is an arithmetic number, because the mean of its divisors is an integer number (60623212).

Almost surely, 2^121246423 is an apocalyptic number.

121246423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121246423 is an equidigital number, since it uses as much as digits as its factorization.

121246423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 121246423 is about 11011.1953483716. The cubic root of 121246423 is about 494.9442824066.

Adding to 121246423 its reverse (324642121), we get a palindrome (445888544).

The spelling of 121246423 in words is "one hundred twenty-one million, two hundred forty-six thousand, four hundred twenty-three".