123718680075 has 12 divisors (see below), whose sum is σ = 204548217848. Its totient is φ = 65983296000.

The previous prime is 123718680073. The next prime is 123718680097. The reversal of 123718680075 is 570086817321.

It is a happy number.

It is not a de Polignac number, because 123718680075 - 2¹ = 123718680073 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123718680073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824791126 + ... + 824791275.

Almost surely, 2^123718680075 is an apocalyptic number.

123718680075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123718680075 is a deficient number, since it is larger than the sum of its proper divisors (80829537773).

123718680075 is a wasteful number, since it uses less digits than its factorization.

123718680075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649582414 (or 1649582409 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 123718680075 in words is "one hundred twenty-three billion, seven hundred eighteen million, six hundred eighty thousand, seventy-five".