2378723 has 4 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 2301960.

The previous prime is 2378711. The next prime is 2378737. The reversal of 2378723 is 3278732.

It is a happy number.

2378723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2378723 - 2¹⁰ = 2377699 is a prime.

It is a super-2 number, since 2×2378723² = 11316646221458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2378723.

It is not an unprimeable number, because it can be changed into a prime (2378773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38336 + ... + 38397.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

2^2378723 is an apocalyptic number.

2378723 is a deficient number, since it is larger than the sum of its proper divisors (76765).

2378723 is an equidigital number, since it uses as much as digits as its factorization.

2378723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76764.

The product of its digits is 14112, while the sum is 32.

The square root of 2378723 is about 1542.3109284447. The cubic root of 2378723 is about 133.4897615437.

Subtracting 2378723 from its reverse (3278732), we obtain a palindrome (900009).

The spelling of 2378723 in words is "two million, three hundred seventy-eight thousand, seven hundred twenty-three".