102765223 has 4 divisors (see below), whose sum is σ = 112107528. Its totient is φ = 93422920.

The previous prime is 102765211. The next prime is 102765259. The reversal of 102765223 is 322567201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102765223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102765191 and 102765200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102765283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671136 + ... + 4671157.

It is an arithmetic number, because the mean of its divisors is an integer number (28026882).

Almost surely, 2^102765223 is an apocalyptic number.

102765223 is a deficient number, since it is larger than the sum of its proper divisors (9342305).

102765223 is an equidigital number, since it uses as much as digits as its factorization.

102765223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342304.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 102765223 is about 10137.3183337607. The cubic root of 102765223 is about 468.3983857268.

The spelling of 102765223 in words is "one hundred two million, seven hundred sixty-five thousand, two hundred twenty-three".