123010540505 has 8 divisors (see below), whose sum is σ = 147614675712. Its totient is φ = 98407081008.

The previous prime is 123010540489. The next prime is 123010540529. The reversal of 123010540505 is 505045010321.

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 123010540505 - 2⁴ = 123010540489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415214 + ... + 646856.

It is an arithmetic number, because the mean of its divisors is an integer number (18451834464).

Almost surely, 2^123010540505 is an apocalyptic number.

It is an amenable number.

123010540505 is a deficient number, since it is larger than the sum of its proper divisors (24604135207).

123010540505 is a wasteful number, since it uses less digits than its factorization.

123010540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337855.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 123010540505 its reverse (505045010321), we get a palindrome (628055550826).

The spelling of 123010540505 in words is "one hundred twenty-three billion, ten million, five hundred forty thousand, five hundred five".