1235331134123 has 2 divisors, whose sum is σ = 1235331134124. Its totient is φ = 1235331134122.

The previous prime is 1235331134111. The next prime is 1235331134159. The reversal of 1235331134123 is 3214311335321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235331134123 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1235331134123.

It is not a weakly prime, because it can be changed into another prime (1235331137123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617665567061 + 617665567062.

It is an arithmetic number, because the mean of its divisors is an integer number (617665567062).

Almost surely, 2^{1235331134123} is an apocalyptic number.

1235331134123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235331134123 is an equidigital number, since it uses as much as digits as its factorization.

1235331134123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

Adding to 1235331134123 its reverse (3214311335321), we get a palindrome (4449642469444).

The spelling of 1235331134123 in words is "one trillion, two hundred thirty-five billion, three hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-three".