28468423 has 2 divisors, whose sum is σ = 28468424. Its totient is φ = 28468422.

The previous prime is 28468409. The next prime is 28468469. The reversal of 28468423 is 32486482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28468423 - 2¹³ = 28460231 is a prime.

It is a super-2 number, since 2×28468423² = 1620902216213858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28468493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14234211 + 14234212.

It is an arithmetic number, because the mean of its divisors is an integer number (14234212).

Almost surely, 2^28468423 is an apocalyptic number.

28468423 is a deficient number, since it is larger than the sum of its proper divisors (1).

28468423 is an equidigital number, since it uses as much as digits as its factorization.

28468423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 37.

The square root of 28468423 is about 5335.5808493546. The cubic root of 28468423 is about 305.3428841121.

The spelling of 28468423 in words is "twenty-eight million, four hundred sixty-eight thousand, four hundred twenty-three".