4723919 has 4 divisors (see below), whose sum is σ = 4750200. Its totient is φ = 4697640.

The previous prime is 4723879. The next prime is 4723921. The reversal of 4723919 is 9193274.

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 4723919 - 2¹⁶ = 4658383 is a prime.

It is a super-2 number, since 2×4723919² = 44630821437122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 7⁴ + 2¹⁹ + 3⁷ + 9 + 1 + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723949) 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, 12869 + ... + 13230.

It is an arithmetic number, because the mean of its divisors is an integer number (1187550).

Almost surely, 2^4723919 is an apocalyptic number.

4723919 is a deficient number, since it is larger than the sum of its proper divisors (26281).

4723919 is a wasteful number, since it uses less digits than its factorization.

4723919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26280.

The product of its digits is 13608, while the sum is 35.

The square root of 4723919 is about 2173.4578440816. The cubic root of 4723919 is about 167.7905434817.

The spelling of 4723919 in words is "four million, seven hundred twenty-three thousand, nine hundred nineteen".