28671023 has 2 divisors, whose sum is σ = 28671024. Its totient is φ = 28671022.

The previous prime is 28671017. The next prime is 28671031. The reversal of 28671023 is 32017682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28671023 - 2¹² = 28666927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28671073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14335511 + 14335512.

It is an arithmetic number, because the mean of its divisors is an integer number (14335512).

Almost surely, 2^28671023 is an apocalyptic number.

28671023 is a deficient number, since it is larger than the sum of its proper divisors (1).

28671023 is an equidigital number, since it uses as much as digits as its factorization.

28671023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28671023 is about 5354.5329394822. The cubic root of 28671023 is about 306.0655127648.

The spelling of 28671023 in words is "twenty-eight million, six hundred seventy-one thousand, twenty-three".