123823756996 has 27 divisors (see below), whose sum is σ = 224458354029. Its totient is φ = 59767133328.

The previous prime is 123823756993. The next prime is 123823757009. The reversal of 123823756996 is 699657328321.

The square root of 123823756996 is 351886.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 64930174596 + 58893582400 = 254814^2 + 242680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123823756993) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20406355 + ... + 20412421.

Almost surely, 2^123823756996 is an apocalyptic number.

123823756996 is the 351886-th square number.

It is an amenable number.

123823756996 is a deficient number, since it is larger than the sum of its proper divisors (100634597033).

123823756996 is an frugal number, since it uses more digits than its factorization.

123823756996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196 (or 6098 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 61.

The spelling of 123823756996 in words is "one hundred twenty-three billion, eight hundred twenty-three million, seven hundred fifty-six thousand, nine hundred ninety-six".