123303003011 has 4 divisors (see below), whose sum is σ = 123336576792. Its totient is φ = 123269429232.

The previous prime is 123303003007. The next prime is 123303003049. The reversal of 123303003011 is 110300303321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123303003011 - 2² = 123303003007 is a prime.

It is a super-2 number, since 2×123303003011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123303003071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16781381 + ... + 16788726.

It is an arithmetic number, because the mean of its divisors is an integer number (30834144198).

Almost surely, 2^123303003011 is an apocalyptic number.

123303003011 is a deficient number, since it is larger than the sum of its proper divisors (33573781).

123303003011 is an equidigital number, since it uses as much as digits as its factorization.

123303003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33573780.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 123303003011 its reverse (110300303321), we get a palindrome (233603306332).

The spelling of 123303003011 in words is "one hundred twenty-three billion, three hundred three million, three thousand, eleven".