123014422021 has 2 divisors, whose sum is σ = 123014422022. Its totient is φ = 123014422020.

The previous prime is 123014422019. The next prime is 123014422039. The reversal of 123014422021 is 120224410321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68141359521 + 54873062500 = 261039^2 + 234250^2 .

It is an emirp because it is prime and its reverse (120224410321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123014422021 - 2¹ = 123014422019 is a prime.

Together with 123014422019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 123014421983 and 123014422001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123014422051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61507211010 + 61507211011.

It is an arithmetic number, because the mean of its divisors is an integer number (61507211011).

Almost surely, 2^123014422021 is an apocalyptic number.

It is an amenable number.

123014422021 is a deficient number, since it is larger than the sum of its proper divisors (1).

123014422021 is an equidigital number, since it uses as much as digits as its factorization.

123014422021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 123014422021 its reverse (120224410321), we get a palindrome (243238832342).

The spelling of 123014422021 in words is "one hundred twenty-three billion, fourteen million, four hundred twenty-two thousand, twenty-one".