15801028423 has 2 divisors, whose sum is σ = 15801028424. Its totient is φ = 15801028422.

The previous prime is 15801028393. The next prime is 15801028459. The reversal of 15801028423 is 32482010851.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32482010851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15801028423 - 2²⁵ = 15767473991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15801028483) 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, 7900514211 + 7900514212.

It is an arithmetic number, because the mean of its divisors is an integer number (7900514212).

Almost surely, 2^15801028423 is an apocalyptic number.

15801028423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15801028423 is an equidigital number, since it uses as much as digits as its factorization.

15801028423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 15801028423 in words is "fifteen billion, eight hundred one million, twenty-eight thousand, four hundred twenty-three".