123255440035 has 16 divisors (see below), whose sum is σ = 182038804416. Its totient is φ = 78016629888.

The previous prime is 123255439987. The next prime is 123255440041. The reversal of 123255440035 is 530044552321.

It is a cyclic number.

It is not a de Polignac number, because 123255440035 - 2¹⁹ = 123254915747 is a prime.

It is a super-3 number, since 3×123255440035³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135445084 + ... + 135445993.

It is an arithmetic number, because the mean of its divisors is an integer number (11377425276).

Almost surely, 2^123255440035 is an apocalyptic number.

123255440035 is a deficient number, since it is larger than the sum of its proper divisors (58783364381).

123255440035 is a wasteful number, since it uses less digits than its factorization.

123255440035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270891102.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 123255440035 its reverse (530044552321), we get a palindrome (653299992356).

The spelling of 123255440035 in words is "one hundred twenty-three billion, two hundred fifty-five million, four hundred forty thousand, thirty-five".