123015350011 has 2 divisors, whose sum is σ = 123015350012. Its totient is φ = 123015350010.

The previous prime is 123015349979. The next prime is 123015350077. The reversal of 123015350011 is 110053510321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123015350011 - 2⁵ = 123015349979 is a prime.

It is a super-3 number, since 3×123015350011³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (123015350611) 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 as a sum of consecutive naturals, namely, 61507675005 + 61507675006.

It is an arithmetic number, because the mean of its divisors is an integer number (61507675006).

Almost surely, 2^123015350011 is an apocalyptic number.

123015350011 is a deficient number, since it is larger than the sum of its proper divisors (1).

123015350011 is an equidigital number, since it uses as much as digits as its factorization.

123015350011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 123015350011 its reverse (110053510321), we get a palindrome (233068860332).

The spelling of 123015350011 in words is "one hundred twenty-three billion, fifteen million, three hundred fifty thousand, eleven".