123535315922 has 18 divisors (see below), whose sum is σ = 186608648133. Its totient is φ = 61335462552.

The previous prime is 123535315909. The next prime is 123535315957. The reversal of 123535315922 is 229513535321.

It can be written as a sum of positive squares in 2 ways, for example, as 117999807121 + 5535508801 = 343511^2 + 74401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=248531.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123535315922.

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 8 ways as a sum of consecutive naturals, for example, 78037943 + ... + 78039525.

Almost surely, 2^123535315922 is an apocalyptic number.

123535315922 is a deficient number, since it is larger than the sum of its proper divisors (63073332211).

123535315922 is an frugal number, since it uses more digits than its factorization.

123535315922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 1742 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The spelling of 123535315922 in words is "one hundred twenty-three billion, five hundred thirty-five million, three hundred fifteen thousand, nine hundred twenty-two".