123064868535 has 64 divisors (see below), whose sum is σ = 226761984000. Its totient is φ = 55826698752.

The previous prime is 123064868533. The next prime is 123064868569. The reversal of 123064868535 is 535868460321.

It is not a de Polignac number, because 123064868535 - 2¹ = 123064868533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123064868533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19349686 + ... + 19356044.

It is an arithmetic number, because the mean of its divisors is an integer number (3543156000).

Almost surely, 2^123064868535 is an apocalyptic number.

123064868535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123064868535 is a deficient number, since it is larger than the sum of its proper divisors (103697115465).

123064868535 is a wasteful number, since it uses less digits than its factorization.

123064868535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 123064868535 in words is "one hundred twenty-three billion, sixty-four million, eight hundred sixty-eight thousand, five hundred thirty-five".