82723011 has 8 divisors (see below), whose sum is σ = 126054144. Its totient is φ = 47270280.

The previous prime is 82723001. The next prime is 82723031. The reversal of 82723011 is 11032728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82723011 - 2¹⁰ = 82721987 is a prime.

It is a super-2 number, since 2×82723011² = 13686193097812242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82723001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969575 + ... + 1969616.

It is an arithmetic number, because the mean of its divisors is an integer number (15756768).

Almost surely, 2^82723011 is an apocalyptic number.

82723011 is a deficient number, since it is larger than the sum of its proper divisors (43331133).

82723011 is a wasteful number, since it uses less digits than its factorization.

82723011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939201.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 82723011 is about 9095.2191287511. The cubic root of 82723011 is about 435.7212871656.

Adding to 82723011 its reverse (11032728), we get a palindrome (93755739).

The spelling of 82723011 in words is "eighty-two million, seven hundred twenty-three thousand, eleven".