4380923 has 4 divisors (see below), whose sum is σ = 4389480. Its totient is φ = 4372368.

The previous prime is 4380919. The next prime is 4380931. The reversal of 4380923 is 3290834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3290834 = 2 ⋅1645417.

It is a cyclic number.

It is not a de Polignac number, because 4380923 - 2² = 4380919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4380983) 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, 3458 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (1097370).

Almost surely, 2^4380923 is an apocalyptic number.

4380923 is a deficient number, since it is larger than the sum of its proper divisors (8557).

4380923 is an equidigital number, since it uses as much as digits as its factorization.

4380923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 4380923 is about 2093.0654552593. The cubic root of 4380923 is about 163.6270899440.

The spelling of 4380923 in words is "four million, three hundred eighty thousand, nine hundred twenty-three".