123542706707 has 8 divisors (see below), whose sum is σ = 142269464832. Its totient is φ = 105085398600.

The previous prime is 123542706649. The next prime is 123542706757. The reversal of 123542706707 is 707607245321.

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

It is not a de Polignac number, because 123542706707 - 2¹² = 123542702611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123542706757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67361519 + ... + 67363352.

It is an arithmetic number, because the mean of its divisors is an integer number (17783683104).

Almost surely, 2^123542706707 is an apocalyptic number.

123542706707 is a deficient number, since it is larger than the sum of its proper divisors (18726758125).

123542706707 is a wasteful number, since it uses less digits than its factorization.

123542706707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134725009.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 123542706707 in words is "one hundred twenty-three billion, five hundred forty-two million, seven hundred six thousand, seven hundred seven".