76431323 has 8 divisors (see below), whose sum is σ = 80160000. Its totient is φ = 72736488.

The previous prime is 76431301. The next prime is 76431343. The reversal of 76431323 is 32313467.

It is a happy number.

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

It is not a de Polignac number, because 76431323 - 2¹⁸ = 76169179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76431343) 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, 3773 + ... + 12926.

It is an arithmetic number, because the mean of its divisors is an integer number (10020000).

Almost surely, 2^76431323 is an apocalyptic number.

76431323 is a deficient number, since it is larger than the sum of its proper divisors (3728677).

76431323 is a wasteful number, since it uses less digits than its factorization.

76431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921.

The product of its digits is 9072, while the sum is 29.

The square root of 76431323 is about 8742.5009579639. The cubic root of 76431323 is about 424.3821666349.

The spelling of 76431323 in words is "seventy-six million, four hundred thirty-one thousand, three hundred twenty-three".