28097423 has 8 divisors (see below), whose sum is σ = 28855680. Its totient is φ = 27342720.

The previous prime is 28097417. The next prime is 28097429. The reversal of 28097423 is 32479082.

It is an interprime number because it is at equal distance from previous prime (28097417) and next prime (28097429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28097423 - 2⁶ = 28097359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28097429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24323 + ... + 25451.

It is an arithmetic number, because the mean of its divisors is an integer number (3606960).

Almost surely, 2^28097423 is an apocalyptic number.

28097423 is a deficient number, since it is larger than the sum of its proper divisors (758257).

28097423 is a wasteful number, since it uses less digits than its factorization.

28097423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 28097423 is about 5300.7002367612. The cubic root of 28097423 is about 304.0106723804.

The spelling of 28097423 in words is "twenty-eight million, ninety-seven thousand, four hundred twenty-three".