2388923 has 4 divisors (see below), whose sum is σ = 2392248. Its totient is φ = 2385600.

The previous prime is 2388913. The next prime is 2388929. The reversal of 2388923 is 3298832.

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.

It is a cyclic number.

It is not a de Polignac number, because 2388923 - 2⁴ = 2388907 is a prime.

It is a d-powerful number, because it can be written as 2² + 3⁵ + 8³ + 8⁶ + 9⁶ + 2⁸ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2388929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (598062).

2^2388923 is an apocalyptic number.

2388923 is a deficient number, since it is larger than the sum of its proper divisors (3325).

2388923 is a wasteful number, since it uses less digits than its factorization.

2388923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its digits is 20736, while the sum is 35.

The square root of 2388923 is about 1545.6141174304. The cubic root of 2388923 is about 133.6802915060.

Subtracting 2388923 from its reverse (3298832), we obtain a palindrome (909909).

The spelling of 2388923 in words is "two million, three hundred eighty-eight thousand, nine hundred twenty-three".