123041131243 has 2 divisors, whose sum is σ = 123041131244. Its totient is φ = 123041131242.

The previous prime is 123041131211. The next prime is 123041131273. The reversal of 123041131243 is 342131140321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123041131243 - 2⁵ = 123041131211 is a prime.

It is not a weakly prime, because it can be changed into another prime (123041131273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520565621 + 61520565622.

It is an arithmetic number, because the mean of its divisors is an integer number (61520565622).

Almost surely, 2^123041131243 is an apocalyptic number.

123041131243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123041131243 is an equidigital number, since it uses as much as digits as its factorization.

123041131243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123041131243 its reverse (342131140321), we get a palindrome (465172271564).

The spelling of 123041131243 in words is "one hundred twenty-three billion, forty-one million, one hundred thirty-one thousand, two hundred forty-three".