7872323 has 2 divisors, whose sum is σ = 7872324. Its totient is φ = 7872322.

The previous prime is 7872313. The next prime is 7872329. The reversal of 7872323 is 3232787.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7872323 - 2¹⁰ = 7871299 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 7872323.

It is not a weakly prime, because it can be changed into another prime (7872329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936161 + 3936162.

It is an arithmetic number, because the mean of its divisors is an integer number (3936162).

Almost surely, 2^7872323 is an apocalyptic number.

7872323 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872323 is an equidigital number, since it uses as much as digits as its factorization.

7872323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 7872323 is about 2805.7660273088. The cubic root of 7872323 is about 198.9303140597.

The spelling of 7872323 in words is "seven million, eight hundred seventy-two thousand, three hundred twenty-three".