818013723 has 16 divisors (see below), whose sum is σ = 1122781440. Its totient is φ = 529363296.

The previous prime is 818013697. The next prime is 818013733. The reversal of 818013723 is 327310818.

It is not a de Polignac number, because 818013723 - 2⁹ = 818013211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818013733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40336 + ... + 57122.

It is an arithmetic number, because the mean of its divisors is an integer number (70173840).

Almost surely, 2^818013723 is an apocalyptic number.

818013723 is a deficient number, since it is larger than the sum of its proper divisors (304767717).

818013723 is a wasteful number, since it uses less digits than its factorization.

818013723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17266.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 818013723 is about 28600.9391978655. The cubic root of 818013723 is about 935.2338050473.

The spelling of 818013723 in words is "eight hundred eighteen million, thirteen thousand, seven hundred twenty-three".