28597423 has 2 divisors, whose sum is σ = 28597424. Its totient is φ = 28597422.

The previous prime is 28597399. The next prime is 28597427. The reversal of 28597423 is 32479582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28597423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28597427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14298711 + 14298712.

It is an arithmetic number, because the mean of its divisors is an integer number (14298712).

Almost surely, 2^28597423 is an apocalyptic number.

28597423 is a deficient number, since it is larger than the sum of its proper divisors (1).

28597423 is an equidigital number, since it uses as much as digits as its factorization.

28597423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 28597423 is about 5347.6558415814. The cubic root of 28597423 is about 305.8033930075.

The spelling of 28597423 in words is "twenty-eight million, five hundred ninety-seven thousand, four hundred twenty-three".