2028448723 has 4 divisors (see below), whose sum is σ = 2318227120. Its totient is φ = 1738670328.

The previous prime is 2028448717. The next prime is 2028448753. The reversal of 2028448723 is 3278448202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2028448723 - 2⁵ = 2028448691 is a prime.

It is a super-2 number, since 2×2028448723² = 8229208443680661458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028448753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144889188 + ... + 144889201.

It is an arithmetic number, because the mean of its divisors is an integer number (579556780).

Almost surely, 2^2028448723 is an apocalyptic number.

2028448723 is a deficient number, since it is larger than the sum of its proper divisors (289778397).

2028448723 is an equidigital number, since it uses as much as digits as its factorization.

2028448723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289778396.

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 2028448723 is about 45038.3028432467. The cubic root of 2028448723 is about 1265.8668043507.

The spelling of 2028448723 in words is "two billion, twenty-eight million, four hundred forty-eight thousand, seven hundred twenty-three".