10223156365 has 4 divisors (see below), whose sum is σ = 12267787644. Its totient is φ = 8178525088.

The previous prime is 10223156353. The next prime is 10223156393. The reversal of 10223156365 is 56365132201.

10223156365 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1692417321 + 8530739044 = 41139^2 + 92362^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223156365 - 2¹¹ = 10223154317 is a prime.

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 10223156365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022315632 + ... + 1022315641.

It is an arithmetic number, because the mean of its divisors is an integer number (3066946911).

Almost surely, 2^10223156365 is an apocalyptic number.

It is an amenable number.

10223156365 is a deficient number, since it is larger than the sum of its proper divisors (2044631279).

10223156365 is an equidigital number, since it uses as much as digits as its factorization.

10223156365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044631278.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 10223156365 its reverse (56365132201), we get a palindrome (66588288566).

The spelling of 10223156365 in words is "ten billion, two hundred twenty-three million, one hundred fifty-six thousand, three hundred sixty-five".