123835844069 has 8 divisors (see below), whose sum is σ = 141635807808. Its totient is φ = 106063162560.

The previous prime is 123835844053. The next prime is 123835844101. The reversal of 123835844069 is 960448538321.

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 123835844069 - 2⁴ = 123835844053 is a prime.

It is a super-2 number, since 2×123835844069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123835844069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123835844009) 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, 6810827 + ... + 6828984.

It is an arithmetic number, because the mean of its divisors is an integer number (17704475976).

Almost surely, 2^123835844069 is an apocalyptic number.

It is an amenable number.

123835844069 is a deficient number, since it is larger than the sum of its proper divisors (17799963739).

123835844069 is a wasteful number, since it uses less digits than its factorization.

123835844069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13641115.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 123835844069 in words is "one hundred twenty-three billion, eight hundred thirty-five million, eight hundred forty-four thousand, sixty-nine".