4202123 has 4 divisors (see below), whose sum is σ = 4384848. Its totient is φ = 4019400.

The previous prime is 4202117. The next prime is 4202141. The reversal of 4202123 is 3212024.

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 4202123 - 2¹⁴ = 4185739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202098 and 4202107.

It is not an unprimeable number, because it can be changed into a prime (4202113) 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, 91328 + ... + 91373.

It is an arithmetic number, because the mean of its divisors is an integer number (1096212).

Almost surely, 2^4202123 is an apocalyptic number.

4202123 is a deficient number, since it is larger than the sum of its proper divisors (182725).

4202123 is a wasteful number, since it uses less digits than its factorization.

4202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182724.

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

The square root of 4202123 is about 2049.9080467182. The cubic root of 4202123 is about 161.3700450155.

Adding to 4202123 its reverse (3212024), we get a palindrome (7414147).

Subtracting from 4202123 its reverse (3212024), we obtain a palindrome (990099).

The spelling of 4202123 in words is "four million, two hundred two thousand, one hundred twenty-three".