28423311253 has 2 divisors, whose sum is σ = 28423311254. Its totient is φ = 28423311252.

The previous prime is 28423311251. The next prime is 28423311349. The reversal of 28423311253 is 35211332482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27416074084 + 1007237169 = 165578^2 + 31737^2 .

It is a cyclic number.

It is not a de Polignac number, because 28423311253 - 2¹ = 28423311251 is a prime.

Together with 28423311251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28423311251) 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, 14211655626 + 14211655627.

It is an arithmetic number, because the mean of its divisors is an integer number (14211655627).

Almost surely, 2^28423311253 is an apocalyptic number.

It is an amenable number.

28423311253 is a deficient number, since it is larger than the sum of its proper divisors (1).

28423311253 is an equidigital number, since it uses as much as digits as its factorization.

28423311253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The spelling of 28423311253 in words is "twenty-eight billion, four hundred twenty-three million, three hundred eleven thousand, two hundred fifty-three".