23028587 has 2 divisors, whose sum is σ = 23028588. Its totient is φ = 23028586.

The previous prime is 23028583. The next prime is 23028601. The reversal of 23028587 is 78582032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23028587 - 2² = 23028583 is a prime.

It is not a weakly prime, because it can be changed into another prime (23028583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514293 + 11514294.

It is an arithmetic number, because the mean of its divisors is an integer number (11514294).

Almost surely, 2^23028587 is an apocalyptic number.

23028587 is a deficient number, since it is larger than the sum of its proper divisors (1).

23028587 is an equidigital number, since it uses as much as digits as its factorization.

23028587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 23028587 is about 4798.8109985704. The cubic root of 23028587 is about 284.5044718498.

The spelling of 23028587 in words is "twenty-three million, twenty-eight thousand, five hundred eighty-seven".