10023203502665 has 8 divisors (see below), whose sum is σ = 12090164640648. Its totient is φ = 7977015843840.

The previous prime is 10023203502643. The next prime is 10023203502667. The reversal of 10023203502665 is 56620530232001.

It can be written as a sum of positive squares in 4 ways, for example, as 730729199929 + 9292474302736 = 854827^2 + 3048356^2 .

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

It is not a de Polignac number, because 10023203502665 - 2¹⁴ = 10023203486281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10023203502667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193368726 + ... + 5193370655.

It is an arithmetic number, because the mean of its divisors is an integer number (1511270580081).

Almost surely, 2^{10023203502665} is an apocalyptic number.

It is an amenable number.

10023203502665 is a deficient number, since it is larger than the sum of its proper divisors (2066961137983).

10023203502665 is a wasteful number, since it uses less digits than its factorization.

10023203502665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10386739579.

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

Adding to 10023203502665 its reverse (56620530232001), we get a palindrome (66643733734666).

The spelling of 10023203502665 in words is "ten trillion, twenty-three billion, two hundred three million, five hundred two thousand, six hundred sixty-five".