123723948693 has 8 divisors (see below), whose sum is σ = 164967114400. Its totient is φ = 82481707728.

The previous prime is 123723948683. The next prime is 123723948721. The reversal of 123723948693 is 396849327321.

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

It is not a de Polignac number, because 123723948693 - 2⁶ = 123723948629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123723948683) 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, 191298 + ... + 532956.

It is an arithmetic number, because the mean of its divisors is an integer number (20620889300).

Almost surely, 2^123723948693 is an apocalyptic number.

It is an amenable number.

123723948693 is a deficient number, since it is larger than the sum of its proper divisors (41243165707).

123723948693 is a wasteful number, since it uses less digits than its factorization.

123723948693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462371.

The product of its digits is 11757312, while the sum is 57.

The spelling of 123723948693 in words is "one hundred twenty-three billion, seven hundred twenty-three million, nine hundred forty-eight thousand, six hundred ninety-three".