123433035066 has 48 divisors (see below), whose sum is σ = 301811196960. Its totient is φ = 36114156960.

The previous prime is 123433035049. The next prime is 123433035091. The reversal of 123433035066 is 660530334321.

123433035066 is a `hidden beast` number, since 1 + 2 + 343 + 303 + 5 + 0 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 123433035066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10742520 + ... + 10754003.

It is an arithmetic number, because the mean of its divisors is an integer number (6287733270).

Almost surely, 2^123433035066 is an apocalyptic number.

123433035066 is an abundant number, since it is smaller than the sum of its proper divisors (178378161894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123433035066 is a wasteful number, since it uses less digits than its factorization.

123433035066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21496571 (or 21496568 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 123433035066 its reverse (660530334321), we get a palindrome (783963369387).

The spelling of 123433035066 in words is "one hundred twenty-three billion, four hundred thirty-three million, thirty-five thousand, sixty-six".