123540325306 has 16 divisors (see below), whose sum is σ = 189844153128. Its totient is φ = 60259161600.

The previous prime is 123540325261. The next prime is 123540325313. The reversal of 123540325306 is 603523045321.

It can be written as a sum of positive squares in 4 ways, for example, as 114687209025 + 8853116281 = 338655^2 + 94091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262626 + ... + 1356946.

Almost surely, 2^123540325306 is an apocalyptic number.

123540325306 is a deficient number, since it is larger than the sum of its proper divisors (66303827822).

123540325306 is a wasteful number, since it uses less digits than its factorization.

123540325306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110337.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 123540325306 in words is "one hundred twenty-three billion, five hundred forty million, three hundred twenty-five thousand, three hundred six".