4428723723 has 4 divisors (see below), whose sum is σ = 5904964968. Its totient is φ = 2952482480.

The previous prime is 4428723721. The next prime is 4428723743. The reversal of 4428723723 is 3273278244.

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 4428723723 - 2¹ = 4428723721 is a prime.

It is a super-2 number, since 2×4428723723² = 39227187629325961458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4428723721) 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, 738120618 + ... + 738120623.

It is an arithmetic number, because the mean of its divisors is an integer number (1476241242).

Almost surely, 2^4428723723 is an apocalyptic number.

4428723723 is a deficient number, since it is larger than the sum of its proper divisors (1476241245).

4428723723 is a wasteful number, since it uses less digits than its factorization.

4428723723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476241244.

The product of its digits is 451584, while the sum is 42.

The square root of 4428723723 is about 66548.6568083834. The cubic root of 4428723723 is about 1642.2005610990.

The spelling of 4428723723 in words is "four billion, four hundred twenty-eight million, seven hundred twenty-three thousand, seven hundred twenty-three".