123303102011 has 2 divisors, whose sum is σ = 123303102012. Its totient is φ = 123303102010.

The previous prime is 123303101941. The next prime is 123303102029. The reversal of 123303102011 is 110201303321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123303102011 is a prime.

It is not a weakly prime, because it can be changed into another prime (123303102061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61651551005 + 61651551006.

It is an arithmetic number, because the mean of its divisors is an integer number (61651551006).

Almost surely, 2^123303102011 is an apocalyptic number.

123303102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123303102011 is an equidigital number, since it uses as much as digits as its factorization.

123303102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123303102011 its reverse (110201303321), we get a palindrome (233504405332).

The spelling of 123303102011 in words is "one hundred twenty-three billion, three hundred three million, one hundred two thousand, eleven".