123746536667 has 8 divisors (see below), whose sum is σ = 136867271856. Its totient is φ = 111140340192.

The previous prime is 123746536649. The next prime is 123746536673. The reversal of 123746536667 is 766635647321.

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 123746536667 - 2⁶ = 123746536603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123746536367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128634173 + ... + 128635134.

It is an arithmetic number, because the mean of its divisors is an integer number (17108408982).

Almost surely, 2^123746536667 is an apocalyptic number.

123746536667 is a deficient number, since it is larger than the sum of its proper divisors (13120735189).

123746536667 is a wasteful number, since it uses less digits than its factorization.

123746536667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257269357.

The product of its digits is 22861440, while the sum is 56.

The spelling of 123746536667 in words is "one hundred twenty-three billion, seven hundred forty-six million, five hundred thirty-six thousand, six hundred sixty-seven".