102263823 has 32 divisors (see below), whose sum is σ = 165611520. Its totient is φ = 62087040.

The previous prime is 102263807. The next prime is 102263827. The reversal of 102263823 is 328362201.

102263823 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 638 + 23 = 666.

It is not a de Polignac number, because 102263823 - 2⁴ = 102263807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102263827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10636 + ... + 17822.

It is an arithmetic number, because the mean of its divisors is an integer number (5175360).

Almost surely, 2^102263823 is an apocalyptic number.

102263823 is a deficient number, since it is larger than the sum of its proper divisors (63347697).

102263823 is a wasteful number, since it uses less digits than its factorization.

102263823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244 (or 7238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 102263823 is about 10112.5576883398. The cubic root of 102263823 is about 467.6353586334.

The spelling of 102263823 in words is "one hundred two million, two hundred sixty-three thousand, eight hundred twenty-three".