10102823 has 4 divisors (see below), whose sum is σ = 10109880. Its totient is φ = 10095768.

The previous prime is 10102789. The next prime is 10102837. The reversal of 10102823 is 32820101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32820101 = 433 ⋅75797.

It is a cyclic number.

It is not a de Polignac number, because 10102823 - 2²² = 5908519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102423) 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, 533 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (2527470).

Almost surely, 2^10102823 is an apocalyptic number.

10102823 is a deficient number, since it is larger than the sum of its proper divisors (7057).

10102823 is an equidigital number, since it uses as much as digits as its factorization.

10102823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10102823 is about 3178.4938256980. The cubic root of 10102823 is about 216.1793706104.

Adding to 10102823 its reverse (32820101), we get a palindrome (42922924).

The spelling of 10102823 in words is "ten million, one hundred two thousand, eight hundred twenty-three".