866465323 has 2 divisors, whose sum is σ = 866465324. Its totient is φ = 866465322.

The previous prime is 866465287. The next prime is 866465357. The reversal of 866465323 is 323564668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866465323 is a prime.

It is a super-2 number, since 2×866465323² = 1501524311922988658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866465323.

It is not a weakly prime, because it can be changed into another prime (866465363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433232661 + 433232662.

It is an arithmetic number, because the mean of its divisors is an integer number (433232662).

Almost surely, 2^866465323 is an apocalyptic number.

866465323 is a deficient number, since it is larger than the sum of its proper divisors (1).

866465323 is an equidigital number, since it uses as much as digits as its factorization.

866465323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The square root of 866465323 is about 29435.7830369773. The cubic root of 866465323 is about 953.3456635921.

The spelling of 866465323 in words is "eight hundred sixty-six million, four hundred sixty-five thousand, three hundred twenty-three".