123312033011 has 2 divisors, whose sum is σ = 123312033012. Its totient is φ = 123312033010.

The previous prime is 123312033007. The next prime is 123312033023. The reversal of 123312033011 is 110330213321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123312033011 - 2² = 123312033007 is a prime.

It is a super-2 number, since 2×123312033011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123312033041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656016505 + 61656016506.

It is an arithmetic number, because the mean of its divisors is an integer number (61656016506).

Almost surely, 2^123312033011 is an apocalyptic number.

123312033011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123312033011 is an equidigital number, since it uses as much as digits as its factorization.

123312033011 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 123312033011 its reverse (110330213321), we get a palindrome (233642246332).

The spelling of 123312033011 in words is "one hundred twenty-three billion, three hundred twelve million, thirty-three thousand, eleven".