20523230652706 has 8 divisors (see below), whose sum is σ = 31846392392220. Its totient is φ = 9907766521968.

The previous prime is 20523230652703. The next prime is 20523230652709. The reversal of 20523230652706 is 60725603232502.

It is an interprime number because it is at equal distance from previous prime (20523230652703) and next prime (20523230652709).

It can be written as a sum of positive squares in 2 ways, for example, as 18372582005625 + 2150648647081 = 4286325^2 + 1466509^2 .

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

It is a super-3 number, since 3×20523230652706³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20523230652703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176924402121 + ... + 176924402236.

Almost surely, 2^{20523230652706} is an apocalyptic number.

20523230652706 is a deficient number, since it is larger than the sum of its proper divisors (11323161739514).

20523230652706 is a wasteful number, since it uses less digits than its factorization.

20523230652706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353848804388.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 20523230652706 in words is "twenty trillion, five hundred twenty-three billion, two hundred thirty million, six hundred fifty-two thousand, seven hundred six".