123234032011 has 2 divisors, whose sum is σ = 123234032012. Its totient is φ = 123234032010.

The previous prime is 123234031957. The next prime is 123234032057. The reversal of 123234032011 is 110230432321.

It is a strong prime.

It is an emirp because it is prime and its reverse (110230432321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123234032011 is a prime.

It is not a weakly prime, because it can be changed into another prime (123234032071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61617016005 + 61617016006.

It is an arithmetic number, because the mean of its divisors is an integer number (61617016006).

Almost surely, 2^123234032011 is an apocalyptic number.

123234032011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123234032011 is an equidigital number, since it uses as much as digits as its factorization.

123234032011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123234032011 its reverse (110230432321), we get a palindrome (233464464332).

The spelling of 123234032011 in words is "one hundred twenty-three billion, two hundred thirty-four million, thirty-two thousand, eleven".