849628723 has 4 divisors (see below), whose sum is σ = 858387880. Its totient is φ = 840869568.

The previous prime is 849628711. The next prime is 849628727. The reversal of 849628723 is 327826948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849628723 is a prime.

It is a super-2 number, since 2×849628723² = 1443737933893221458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849628727) 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, 4379433 + ... + 4379626.

It is an arithmetic number, because the mean of its divisors is an integer number (214596970).

Almost surely, 2^849628723 is an apocalyptic number.

849628723 is a deficient number, since it is larger than the sum of its proper divisors (8759157).

849628723 is an equidigital number, since it uses as much as digits as its factorization.

849628723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759156.

The product of its digits is 1161216, while the sum is 49.

The square root of 849628723 is about 29148.3914307462. The cubic root of 849628723 is about 947.1302959590.

The spelling of 849628723 in words is "eight hundred forty-nine million, six hundred twenty-eight thousand, seven hundred twenty-three".