123536730206 has 8 divisors (see below), whose sum is σ = 188801418024. Its totient is φ = 60602924200.

The previous prime is 123536730199. The next prime is 123536730223. The reversal of 123536730206 is 602037635321.

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

It is a super-2 number, since 2×123536730206² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123536730206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582720320 + ... + 582720531.

It is an arithmetic number, because the mean of its divisors is an integer number (23600177253).

Almost surely, 2^123536730206 is an apocalyptic number.

123536730206 is a deficient number, since it is larger than the sum of its proper divisors (65264687818).

123536730206 is a wasteful number, since it uses less digits than its factorization.

123536730206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165440906.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 123536730206 in words is "one hundred twenty-three billion, five hundred thirty-six million, seven hundred thirty thousand, two hundred six".