123103232011 has 2 divisors, whose sum is σ = 123103232012. Its totient is φ = 123103232010.

The previous prime is 123103232009. The next prime is 123103232017. The reversal of 123103232011 is 110232301321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123103232011 - 2¹ = 123103232009 is a prime.

Together with 123103232009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123103232011.

It is not a weakly prime, because it can be changed into another prime (123103232017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551616005 + 61551616006.

It is an arithmetic number, because the mean of its divisors is an integer number (61551616006).

Almost surely, 2^123103232011 is an apocalyptic number.

123103232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103232011 is an equidigital number, since it uses as much as digits as its factorization.

123103232011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123103232011 its reverse (110232301321), we get a palindrome (233335533332).

The spelling of 123103232011 in words is "one hundred twenty-three billion, one hundred three million, two hundred thirty-two thousand, eleven".