123148027243 has 2 divisors, whose sum is σ = 123148027244. Its totient is φ = 123148027242.

The previous prime is 123148027231. The next prime is 123148027253. The reversal of 123148027243 is 342720841321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123148027243 - 2¹⁷ = 123147896171 is a prime.

It is a super-2 number, since 2×123148027243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123148027253) 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, 61574013621 + 61574013622.

It is an arithmetic number, because the mean of its divisors is an integer number (61574013622).

Almost surely, 2^123148027243 is an apocalyptic number.

123148027243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123148027243 is an equidigital number, since it uses as much as digits as its factorization.

123148027243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 123148027243 its reverse (342720841321), we get a palindrome (465868868564).

The spelling of 123148027243 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred forty-three".