121444423 has 2 divisors, whose sum is σ = 121444424. Its totient is φ = 121444422.

The previous prime is 121444417. The next prime is 121444429. The reversal of 121444423 is 324444121.

It is a balanced prime because it is at equal distance from previous prime (121444417) and next prime (121444429).

It is an emirp because it is prime and its reverse (324444121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121444423 - 2²¹ = 119347271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121444429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60722211 + 60722212.

It is an arithmetic number, because the mean of its divisors is an integer number (60722212).

Almost surely, 2^121444423 is an apocalyptic number.

121444423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121444423 is an equidigital number, since it uses as much as digits as its factorization.

121444423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 121444423 is about 11020.1825302488. The cubic root of 121444423 is about 495.2135567998.

Adding to 121444423 its reverse (324444121), we get a palindrome (445888544).

The spelling of 121444423 in words is "one hundred twenty-one million, four hundred forty-four thousand, four hundred twenty-three".