78523343 has 8 divisors (see below), whose sum is σ = 79685760. Its totient is φ = 77368320.

The previous prime is 78523339. The next prime is 78523351. The reversal of 78523343 is 34332587.

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 78523343 - 2² = 78523339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78523843) 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, 21698 + ... + 25056.

It is an arithmetic number, because the mean of its divisors is an integer number (9960720).

Almost surely, 2^78523343 is an apocalyptic number.

78523343 is a deficient number, since it is larger than the sum of its proper divisors (1162417).

78523343 is a wasteful number, since it uses less digits than its factorization.

78523343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its digits is 60480, while the sum is 35.

The square root of 78523343 is about 8861.3397971187. The cubic root of 78523343 is about 428.2193226954.

The spelling of 78523343 in words is "seventy-eight million, five hundred twenty-three thousand, three hundred forty-three".