4123400221123 has 2 divisors, whose sum is σ = 4123400221124. Its totient is φ = 4123400221122.

The previous prime is 4123400221079. The next prime is 4123400221133. The reversal of 4123400221123 is 3211220043214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123400221123 is a prime.

It is a super-2 number, since 2×4123400221123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4123400221133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061700110561 + 2061700110562.

It is an arithmetic number, because the mean of its divisors is an integer number (2061700110562).

Almost surely, 2^{4123400221123} is an apocalyptic number.

4123400221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123400221123 is an equidigital number, since it uses as much as digits as its factorization.

4123400221123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4123400221123 its reverse (3211220043214), we get a palindrome (7334620264337).

The spelling of 4123400221123 in words is "four trillion, one hundred twenty-three billion, four hundred million, two hundred twenty-one thousand, one hundred twenty-three".