4391132323 has 4 divisors (see below), whose sum is σ = 4391264880. Its totient is φ = 4390999768.

The previous prime is 4391132293. The next prime is 4391132327. The reversal of 4391132323 is 3232311934.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4391132323 - 2²¹ = 4389035171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4391132327) 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 3 ways as a sum of consecutive naturals, for example, 31218 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (1097816220).

Almost surely, 2^4391132323 is an apocalyptic number.

4391132323 is a deficient number, since it is larger than the sum of its proper divisors (132557).

4391132323 is an equidigital number, since it uses as much as digits as its factorization.

4391132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132556.

The product of its digits is 11664, while the sum is 31.

The square root of 4391132323 is about 66265.6194643950. The cubic root of 4391132323 is about 1637.5409710861.

The spelling of 4391132323 in words is "four billion, three hundred ninety-one million, one hundred thirty-two thousand, three hundred twenty-three".