123330320011 has 4 divisors (see below), whose sum is σ = 126198467032. Its totient is φ = 120462172992.

The previous prime is 123330319999. The next prime is 123330320017. The reversal of 123330320011 is 110023033321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110023033321 = 155707 ⋅706603.

It is a cyclic number.

It is not a de Polignac number, because 123330320011 - 2²¹ = 123328222859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123330320017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434073446 + ... + 1434073531.

It is an arithmetic number, because the mean of its divisors is an integer number (31549616758).

Almost surely, 2^123330320011 is an apocalyptic number.

123330320011 is a deficient number, since it is larger than the sum of its proper divisors (2868147021).

123330320011 is an equidigital number, since it uses as much as digits as its factorization.

123330320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868147020.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123330320011 its reverse (110023033321), we get a palindrome (233353353332).

The spelling of 123330320011 in words is "one hundred twenty-three billion, three hundred thirty million, three hundred twenty thousand, eleven".