4723149823 has 4 divisors (see below), whose sum is σ = 5397885520. Its totient is φ = 4048414128.

The previous prime is 4723149817. The next prime is 4723149829. The reversal of 4723149823 is 3289413274.

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

It is an interprime number because it is at equal distance from previous prime (4723149817) and next prime (4723149829).

It is a cyclic number.

It is not a de Polignac number, because 4723149823 - 2²¹ = 4721052671 is a prime.

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 4723149823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723149829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337367838 + ... + 337367851.

It is an arithmetic number, because the mean of its divisors is an integer number (1349471380).

Almost surely, 2^4723149823 is an apocalyptic number.

4723149823 is a deficient number, since it is larger than the sum of its proper divisors (674735697).

4723149823 is an equidigital number, since it uses as much as digits as its factorization.

4723149823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674735696.

The product of its digits is 290304, while the sum is 43.

The square root of 4723149823 is about 68725.1760492470. The cubic root of 4723149823 is about 1677.8143609777.

The spelling of 4723149823 in words is "four billion, seven hundred twenty-three million, one hundred forty-nine thousand, eight hundred twenty-three".