123005066537 has 8 divisors (see below), whose sum is σ = 124878544896. Its totient is φ = 121145728032.

The previous prime is 123005066519. The next prime is 123005066539. The reversal of 123005066537 is 735660500321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123005066537 - 2⁸ = 123005066281 is a prime.

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 123005066537.

It is not an unprimeable number, because it can be changed into a prime (123005066539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3517433 + ... + 3552230.

It is an arithmetic number, because the mean of its divisors is an integer number (15609818112).

Almost surely, 2^123005066537 is an apocalyptic number.

It is an amenable number.

123005066537 is a deficient number, since it is larger than the sum of its proper divisors (1873478359).

123005066537 is a wasteful number, since it uses less digits than its factorization.

123005066537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069927.

The product of its (nonzero) digits is 113400, while the sum is 38.

Adding to 123005066537 its reverse (735660500321), we get a palindrome (858665566858).

The spelling of 123005066537 in words is "one hundred twenty-three billion, five million, sixty-six thousand, five hundred thirty-seven".