28101343 has 2 divisors, whose sum is σ = 28101344. Its totient is φ = 28101342.

The previous prime is 28101301. The next prime is 28101349. The reversal of 28101343 is 34310182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28101343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28101349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050671 + 14050672.

It is an arithmetic number, because the mean of its divisors is an integer number (14050672).

Almost surely, 2^28101343 is an apocalyptic number.

28101343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28101343 is an equidigital number, since it uses as much as digits as its factorization.

28101343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28101343 is about 5301.0699863329. The cubic root of 28101343 is about 304.0248096961.

The spelling of 28101343 in words is "twenty-eight million, one hundred one thousand, three hundred forty-three".