123042335105 has 8 divisors (see below), whose sum is σ = 147656995200. Its totient is φ = 98429739376.

The previous prime is 123042335063. The next prime is 123042335131. The reversal of 123042335105 is 501533240321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123042335105 is a prime.

It is a super-2 number, since 2×123042335105² (a number of 23 digits) contains 22 as substring.

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, 381785 + ... + 625974.

It is an arithmetic number, because the mean of its divisors is an integer number (18457124400).

Almost surely, 2^123042335105 is an apocalyptic number.

It is an amenable number.

123042335105 is a deficient number, since it is larger than the sum of its proper divisors (24614660095).

123042335105 is a wasteful number, since it uses less digits than its factorization.

123042335105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032183.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 123042335105 its reverse (501533240321), we get a palindrome (624575575426).

The spelling of 123042335105 in words is "one hundred twenty-three billion, forty-two million, three hundred thirty-five thousand, one hundred five".