10206323431550 has 24 divisors (see below), whose sum is σ = 19982906931000. Its totient is φ = 3867659405280.

The previous prime is 10206323431519. The next prime is 10206323431567. The reversal of 10206323431550 is 5513432360201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10206323431550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5371748225 + ... + 5371750124.

It is an arithmetic number, because the mean of its divisors is an integer number (832621122125).

Almost surely, 2^{10206323431550} is an apocalyptic number.

10206323431550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10206323431550 is a deficient number, since it is larger than the sum of its proper divisors (9776583499450).

10206323431550 is a wasteful number, since it uses less digits than its factorization.

10206323431550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743498380 (or 10743498375 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 10206323431550 its reverse (5513432360201), we get a palindrome (15719755791751).

The spelling of 10206323431550 in words is "ten trillion, two hundred six billion, three hundred twenty-three million, four hundred thirty-one thousand, five hundred fifty".