123142034237 has 2 divisors, whose sum is σ = 123142034238. Its totient is φ = 123142034236.

The previous prime is 123142034177. The next prime is 123142034273. The reversal of 123142034237 is 732430241321.

Together with next prime (123142034273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121877093881 + 1264940356 = 349109^2 + 35566^2 .

It is a cyclic number.

It is not a de Polignac number, because 123142034237 - 2²⁸ = 122873598781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123142033237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61571017118 + 61571017119.

It is an arithmetic number, because the mean of its divisors is an integer number (61571017119).

Almost surely, 2^123142034237 is an apocalyptic number.

It is an amenable number.

123142034237 is a deficient number, since it is larger than the sum of its proper divisors (1).

123142034237 is an equidigital number, since it uses as much as digits as its factorization.

123142034237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 123142034237 its reverse (732430241321), we get a palindrome (855572275558).

The spelling of 123142034237 in words is "one hundred twenty-three billion, one hundred forty-two million, thirty-four thousand, two hundred thirty-seven".