80723031 has 8 divisors (see below), whose sum is σ = 112310400. Its totient is φ = 51475512.

The previous prime is 80723029. The next prime is 80723051. The reversal of 80723031 is 13032708.

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

It is not a de Polignac number, because 80723031 - 2¹ = 80723029 is a prime.

It is a super-2 number, since 2×80723031² = 13032415467653922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80722992 and 80723010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80723051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584881 + ... + 585018.

It is an arithmetic number, because the mean of its divisors is an integer number (14038800).

Almost surely, 2^80723031 is an apocalyptic number.

80723031 is a deficient number, since it is larger than the sum of its proper divisors (31587369).

80723031 is a wasteful number, since it uses less digits than its factorization.

80723031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169925.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 80723031 is about 8984.5996571912. The cubic root of 80723031 is about 432.1811493800.

Adding to 80723031 its reverse (13032708), we get a palindrome (93755739).

The spelling of 80723031 in words is "eighty million, seven hundred twenty-three thousand, thirty-one".