123007271135 has 16 divisors (see below), whose sum is σ = 170831078400. Its totient is φ = 83280146976.

The previous prime is 123007271113. The next prime is 123007271143. The reversal of 123007271135 is 531172700321.

It is a cyclic number.

It is not a de Polignac number, because 123007271135 - 2¹² = 123007267039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22240865 + ... + 22246394.

It is an arithmetic number, because the mean of its divisors is an integer number (10676942400).

Almost surely, 2^123007271135 is an apocalyptic number.

123007271135 is a deficient number, since it is larger than the sum of its proper divisors (47823807265).

123007271135 is an equidigital number, since it uses as much as digits as its factorization.

123007271135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44487350.

The product of its (nonzero) digits is 8820, while the sum is 32.

Adding to 123007271135 its reverse (531172700321), we get a palindrome (654179971456).

The spelling of 123007271135 in words is "one hundred twenty-three billion, seven million, two hundred seventy-one thousand, one hundred thirty-five".