81360323 has 8 divisors (see below), whose sum is σ = 88827840. Its totient is φ = 73904680.

The previous prime is 81360287. The next prime is 81360379. The reversal of 81360323 is 32306318.

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

It is a cyclic number.

It is not a de Polignac number, because 81360323 - 2⁶ = 81360259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 81360292 and 81360301.

It is not an unprimeable number, because it can be changed into a prime (81366323) 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, 17588 + ... + 21726.

It is an arithmetic number, because the mean of its divisors is an integer number (11103480).

Almost surely, 2^81360323 is an apocalyptic number.

81360323 is a deficient number, since it is larger than the sum of its proper divisors (7467517).

81360323 is a wasteful number, since it uses less digits than its factorization.

81360323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 81360323 is about 9019.9957317063. The cubic root of 81360323 is about 433.3154970305.

The spelling of 81360323 in words is "eighty-one million, three hundred sixty thousand, three hundred twenty-three".