103665023253 has 24 divisors (see below), whose sum is σ = 163464687360. Its totient is φ = 62783540160.

The previous prime is 103665023243. The next prime is 103665023261. The reversal of 103665023253 is 352320566301.

103665023253 is a `hidden beast` number, since 10 + 3 + 66 + 502 + 32 + 53 = 666.

It is not a de Polignac number, because 103665023253 - 2⁴ = 103665023237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103665023243) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 221376 + ... + 506297.

It is an arithmetic number, because the mean of its divisors is an integer number (6811028640).

Almost surely, 2^103665023253 is an apocalyptic number.

It is an amenable number.

103665023253 is a deficient number, since it is larger than the sum of its proper divisors (59799664107).

103665023253 is a wasteful number, since it uses less digits than its factorization.

103665023253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729129 (or 729126 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 103665023253 its reverse (352320566301), we get a palindrome (455985589554).

The spelling of 103665023253 in words is "one hundred three billion, six hundred sixty-five million, twenty-three thousand, two hundred fifty-three".