102823965 has 32 divisors (see below), whose sum is σ = 187059840. Its totient is φ = 53561088.

The previous prime is 102823949. The next prime is 102823997. The reversal of 102823965 is 569328201.

It is not a de Polignac number, because 102823965 - 2⁴ = 102823949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3052 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (5845620).

Almost surely, 2^102823965 is an apocalyptic number.

102823965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102823965 is a deficient number, since it is larger than the sum of its proper divisors (84235875).

102823965 is a wasteful number, since it uses less digits than its factorization.

102823965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770 (or 17764 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 102823965 is about 10140.2152344021. The cubic root of 102823965 is about 468.4876163577.

The spelling of 102823965 in words is "one hundred two million, eight hundred twenty-three thousand, nine hundred sixty-five".