4072323 has 8 divisors (see below), whose sum is σ = 5440528. Its totient is φ = 2709504.

The previous prime is 4072309. The next prime is 4072337. The reversal of 4072323 is 3232704.

It is a happy number.

4072323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2018²-1.

It is an interprime number because it is at equal distance from previous prime (4072309) and next prime (4072337).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4072323 - 2⁵ = 4072291 is a prime.

It is a D-number.

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 4072323.

It is not an unprimeable number, because it can be changed into a prime (4072223) 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 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (680066).

Almost surely, 2^4072323 is an apocalyptic number.

4072323 is a deficient number, since it is larger than the sum of its proper divisors (1368205).

4072323 is a wasteful number, since it uses less digits than its factorization.

4072323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 4072323 is about 2017.9997522299. Note that the first 3 decimals coincide. The cubic root of 4072323 is about 159.6911097806.

The spelling of 4072323 in words is "four million, seventy-two thousand, three hundred twenty-three".