28331423983 has 2 divisors, whose sum is σ = 28331423984. Its totient is φ = 28331423982.

The previous prime is 28331423929. The next prime is 28331424019. The reversal of 28331423983 is 38932413382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28331423983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28331823983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14165711991 + 14165711992.

It is an arithmetic number, because the mean of its divisors is an integer number (14165711992).

Almost surely, 2^28331423983 is an apocalyptic number.

28331423983 is a deficient number, since it is larger than the sum of its proper divisors (1).

28331423983 is an equidigital number, since it uses as much as digits as its factorization.

28331423983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

The spelling of 28331423983 in words is "twenty-eight billion, three hundred thirty-one million, four hundred twenty-three thousand, nine hundred eighty-three".