4380123 has 16 divisors (see below), whose sum is σ = 6406272. Its totient is φ = 2640000.

The previous prime is 4380121. The next prime is 4380133. The reversal of 4380123 is 3210834.

It is a happy number.

It is not a de Polignac number, because 4380123 - 2¹ = 4380121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4380123.

It is not an unprimeable number, because it can be changed into a prime (4380121) 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 15 ways as a sum of consecutive naturals, for example, 10723 + ... + 11123.

It is an arithmetic number, because the mean of its divisors is an integer number (400392).

Almost surely, 2^4380123 is an apocalyptic number.

4380123 is a deficient number, since it is larger than the sum of its proper divisors (2026149).

4380123 is a wasteful number, since it uses less digits than its factorization.

4380123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4380123 is about 2092.8743392760. The cubic root of 4380123 is about 163.6171293610.

Adding to 4380123 its reverse (3210834), we get a palindrome (7590957).

The spelling of 4380123 in words is "four million, three hundred eighty thousand, one hundred twenty-three".