28817632423 has 2 divisors, whose sum is σ = 28817632424. Its totient is φ = 28817632422.

The previous prime is 28817632409. The next prime is 28817632429. The reversal of 28817632423 is 32423671882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28817632423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28817632429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14408816211 + 14408816212.

It is an arithmetic number, because the mean of its divisors is an integer number (14408816212).

Almost surely, 2^28817632423 is an apocalyptic number.

28817632423 is a deficient number, since it is larger than the sum of its proper divisors (1).

28817632423 is an equidigital number, since it uses as much as digits as its factorization.

28817632423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The spelling of 28817632423 in words is "twenty-eight billion, eight hundred seventeen million, six hundred thirty-two thousand, four hundred twenty-three".