123320001011 has 12 divisors (see below), whose sum is σ = 130234956192. Its totient is φ = 116755131024.

The previous prime is 123320000981. The next prime is 123320001029. The reversal of 123320001011 is 110100023321.

It is a de Polignac number, because none of the positive numbers 2^k-123320001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123320001061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463565 + ... + 679361.

It is an arithmetic number, because the mean of its divisors is an integer number (10852913016).

Almost surely, 2^123320001011 is an apocalyptic number.

123320001011 is a deficient number, since it is larger than the sum of its proper divisors (6914955181).

123320001011 is a wasteful number, since it uses less digits than its factorization.

123320001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217418 (or 217399 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 123320001011 its reverse (110100023321), we get a palindrome (233420024332).

The spelling of 123320001011 in words is "one hundred twenty-three billion, three hundred twenty million, one thousand, eleven".