2402123 has 4 divisors (see below), whose sum is σ = 2453280. Its totient is φ = 2350968.

The previous prime is 2402107. The next prime is 2402161. The reversal of 2402123 is 3212042.

2402123 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 2402123 - 2⁴ = 2402107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2402098 and 2402107.

It is not an unprimeable number, because it can be changed into a prime (2402173) 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, 25508 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (613320).

2^2402123 is an apocalyptic number.

2402123 is a deficient number, since it is larger than the sum of its proper divisors (51157).

2402123 is an equidigital number, since it uses as much as digits as its factorization.

2402123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2402123 is about 1549.8783823255. The cubic root of 2402123 is about 133.9260563303.

Adding to 2402123 its reverse (3212042), we get a palindrome (5614165).

The spelling of 2402123 in words is "two million, four hundred two thousand, one hundred twenty-three".