123310332011 has 2 divisors, whose sum is σ = 123310332012. Its totient is φ = 123310332010.

The previous prime is 123310331983. The next prime is 123310332017. The reversal of 123310332011 is 110233013321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123310332011 - 2¹⁰ = 123310330987 is a prime.

It is not a weakly prime, because it can be changed into another prime (123310332017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655166005 + 61655166006.

It is an arithmetic number, because the mean of its divisors is an integer number (61655166006).

Almost surely, 2^123310332011 is an apocalyptic number.

123310332011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310332011 is an equidigital number, since it uses as much as digits as its factorization.

123310332011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123310332011 its reverse (110233013321), we get a palindrome (233543345332).

The spelling of 123310332011 in words is "one hundred twenty-three billion, three hundred ten million, three hundred thirty-two thousand, eleven".