123033313011 has 24 divisors (see below), whose sum is σ = 193242731520. Its totient is φ = 69414810192.

The previous prime is 123033313001. The next prime is 123033313021. The reversal of 123033313011 is 110313330321.

It is an interprime number because it is at equal distance from previous prime (123033313001) and next prime (123033313021).

It is not a de Polignac number, because 123033313011 - 2⁶ = 123033312947 is a prime.

It is a super-2 number, since 2×123033313011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (123033313001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5285611 + ... + 5308836.

It is an arithmetic number, because the mean of its divisors is an integer number (8051780480).

Almost surely, 2^123033313011 is an apocalyptic number.

123033313011 is a deficient number, since it is larger than the sum of its proper divisors (70209418509).

123033313011 is a wasteful number, since it uses less digits than its factorization.

123033313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594543 (or 10594536 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123033313011 its reverse (110313330321), we get a palindrome (233346643332).

The spelling of 123033313011 in words is "one hundred twenty-three billion, thirty-three million, three hundred thirteen thousand, eleven".