1028800723 has 8 divisors (see below), whose sum is σ = 1066204080. Its totient is φ = 991525920.

The previous prime is 1028800709. The next prime is 1028800727. The reversal of 1028800723 is 3270088201.

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 1028800723 - 2⁵ = 1028800691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028800727) 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, 15693 + ... + 47998.

It is an arithmetic number, because the mean of its divisors is an integer number (133275510).

Almost surely, 2^1028800723 is an apocalyptic number.

1028800723 is a deficient number, since it is larger than the sum of its proper divisors (37403357).

1028800723 is an equidigital number, since it uses as much as digits as its factorization.

1028800723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64277.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1028800723 is about 32074.9235852558. The cubic root of 1028800723 is about 1009.5095233143.

Adding to 1028800723 its reverse (3270088201), we get a palindrome (4298888924).

The spelling of 1028800723 in words is "one billion, twenty-eight million, eight hundred thousand, seven hundred twenty-three".