986911423 has 2 divisors, whose sum is σ = 986911424. Its totient is φ = 986911422.

The previous prime is 986911363. The next prime is 986911427. The reversal of 986911423 is 324119689.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986911423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 986911423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986911427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493455711 + 493455712.

It is an arithmetic number, because the mean of its divisors is an integer number (493455712).

Almost surely, 2^986911423 is an apocalyptic number.

986911423 is a deficient number, since it is larger than the sum of its proper divisors (1).

986911423 is an equidigital number, since it uses as much as digits as its factorization.

986911423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 986911423 is about 31415.1463946931. The cubic root of 986911423 is about 995.6179668336.

It can be divided in two parts, 9869114 and 23, that multiplied together give a palindrome (226989622).

The spelling of 986911423 in words is "nine hundred eighty-six million, nine hundred eleven thousand, four hundred twenty-three".