1028071723 has 8 divisors (see below), whose sum is σ = 1176187392. Its totient is φ = 880268136.

The previous prime is 1028071717. The next prime is 1028071727. The reversal of 1028071723 is 3271708201.

1028071723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1028071723 - 2⁵ = 1028071691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028071727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70915 + ... + 84172.

It is an arithmetic number, because the mean of its divisors is an integer number (147023424).

Almost surely, 2^1028071723 is an apocalyptic number.

1028071723 is a deficient number, since it is larger than the sum of its proper divisors (148115669).

1028071723 is an equidigital number, since it uses as much as digits as its factorization.

1028071723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156041.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1028071723 is about 32063.5575537089. The cubic root of 1028071723 is about 1009.2710235026.

Adding to 1028071723 its reverse (3271708201), we get a palindrome (4299779924).

The spelling of 1028071723 in words is "one billion, twenty-eight million, seventy-one thousand, seven hundred twenty-three".