28331247223 has 2 divisors, whose sum is σ = 28331247224. Its totient is φ = 28331247222.

The previous prime is 28331247199. The next prime is 28331247247. The reversal of 28331247223 is 32274213382.

It is a balanced prime because it is at equal distance from previous prime (28331247199) and next prime (28331247247).

It is a cyclic number.

It is not a de Polignac number, because 28331247223 - 2⁹ = 28331246711 is a prime.

It is a super-3 number, since 3×28331247223³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28331247283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14165623611 + 14165623612.

It is an arithmetic number, because the mean of its divisors is an integer number (14165623612).

Almost surely, 2^28331247223 is an apocalyptic number.

28331247223 is a deficient number, since it is larger than the sum of its proper divisors (1).

28331247223 is an equidigital number, since it uses as much as digits as its factorization.

28331247223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The spelling of 28331247223 in words is "twenty-eight billion, three hundred thirty-one million, two hundred forty-seven thousand, two hundred twenty-three".